Claude Fable 5

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: $OneMillion-Bench (expert score) · reviewed 2026-09-12

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

Artificial Analysis long-horizon knowledge projects; rubric and panel pairwise judging; Claude max effort.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table8.1.A;8.15.4 · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: AA-Briefcase (Elo) · reviewed 2026-09-12

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: AA-LCR · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Computer Use table / Agents' Last Exam / Claude Fable 5 · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Professional table / Agents' Last Exam / Claude Fable 5 · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites official Agents Last Exam leaderboard; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: Agents' Last Exam · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: Agents' Last Exam (ALE-CLI) · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: AndroidBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis / APEX-Agents leaderboard; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: APEX-Agents · reviewed 2026-09-12

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

ARC Prize semi-private validation; verified Fable5.1 max effort; comparator figures as reported in summary.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table8.1.A;8.16 · reviewed 2026-09-12

ARC Prize semi-private validation; verified Fable5.1 max effort; comparator figures as reported in summary.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table8.1.A;8.16 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Abstract Reasoning table / ARC-AGI-1 / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Abstract Reasoning table / ARC-AGI-2 / Claude Fable 5 · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Coding table / Artificial Analysis Coding Agent Index v1.1 / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Coding table / Artificial Analysis Coding Agent Index v1.4 / Claude Fable 5 · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Professional table / Artificial Analysis Intelligence Index v4.1 / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Professional table / Artificial Analysis Intelligence Index v4.1.1 / Claude Fable 5 · reviewed 2026-09-06

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: Automation-Bench (Pass@1) · reviewed 2026-09-12

Private held-out board; simulated business-workflow app APIs; all assertions must pass; max effort stated for Fable5.1/Opus5.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table8.1.A;8.15.6 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Professional table / AutomationBench / Claude Fable 5 · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Tool Use table / AutomationBench / Claude Fable 5 · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: AutomationBench · reviewed 2026-09-12

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card.

First-party reported result.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: AutomationBench (Public) · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: AutomationBench (v1.0.6) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: BabyVision w/ python · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API; tools enabled; three Anthropic evaluation modifications

Provider-published result; comparator measurements are not automatically independently reproduced. Astra launch footnote5: Claude scores use three modifications described in the Fable5.1 system card; not same controlled setting.

GPT-6 Astra: A new generation of intelligence · Professional table / BenchCAD / Claude Fable 5 · reviewed 2026-09-06

Random1000 of17900files; five runs; adaptive thinking max; no tools; corrected camera prompt, raw shapes accepted, last code fence parsed.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.2 · reviewed 2026-09-12

Random1000 of17900files; five runs; adaptive thinking max; with tools; corrected camera prompt, raw shapes accepted, last code fence parsed.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.2 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Professional table / BrowseComp / Claude Fable 5 · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Anthropic or OpenAI release reports; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: BrowseComp · reviewed 2026-09-12

100tasks; adaptive thinking max; five runs; no tools; tools condition has container, standard libraries and crop tool.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-12

100tasks; adaptive thinking max; five runs; with tools; tools condition has container, standard libraries and crop tool.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.1 · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. without tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: CharXiv (RQ) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. with tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: CharXiv (RQ) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Vals AI; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: CorpFin v2 · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Internal professional work tasks across science,finance,law,medical,productivity.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: CoWorkBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: CritPt · reviewed 2026-09-12

Cursor production agent harness; independently measured by Cursor; max effort.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.8 · reviewed 2026-09-12

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card.

First-party reported result.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: Cybergym · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: CyberGym · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: DeepSearchQA (F1) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: DeepSWE · reviewed 2026-09-12

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card.

First-party reported result.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: DeepSWE · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: DeepSWE (v1.1) · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Best of Claude Code and mini-SWE-agent; Qwen best Claude Code; temp1,top_p.95,256K.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: DeepSWE 1.1 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Coding table / DeepSWE v1.1 / Claude Fable 5 · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Coding table / DeepSWE v1.1 / Claude Fable 5 · reviewed 2026-09-06

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card.

First-party reported result. † source footnote applies.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: DSBench-FullStack † · reviewed 2026-09-12

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card.

First-party reported result. † source footnote applies.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: DSBench-Hard † · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: ExploitBench · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details. 2h Single-run869tasks; API time normalized by model TPS plus overhead; reported number solved; domain whitelist.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: ExploitGym (2h / 6h) · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details. 6h Single-run869tasks; API time normalized by model TPS plus overhead; reported number solved; domain whitelist.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: ExploitGym (2h / 6h) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Vals AI; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: Finance Agent v2 · reviewed 2026-09-12

Cognition agentic coding; composite functional and code-quality score. Fable5.1 medium effort; Fable5 xhigh.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.4 · reviewed 2026-09-12

Cognition agentic coding; composite functional and code-quality score. Fable5.1 medium effort; Fable5 xhigh.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.4 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Coding table / FrontierCode 1.1 Extended (score) / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Coding table / FrontierCode 1.1 Main (score) / Claude Fable 5 · reviewed 2026-09-06

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Academic table / FrontierMath Tier 1-3 (v2) / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Academic table / FrontierMath Tier 4 (v2) / Claude Fable 5 · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Academic table / FrontierMath Tier 4 (v2) / Claude Fable 5 · reviewed 2026-09-06

Proximal agent harness; max effort; 34 tasks, five trials/task; mean score on 0..1 scale.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.5 · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

Cited comparator result; see the benchmark footnote.

Comparison limit: The Qwen card cites an external leaderboard or release report for this comparator; it is not a new Qwen evaluation. The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: FrontierSWE · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites FrontierSWE leaderboard; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: FrontierSWE · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

Externally evaluated result, attributed in the source footnote.

Comparison limit: The GLM card attributes this evaluation to Proximal; it is not a new Z.ai comparison. The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: FrontierSWE · reviewed 2026-09-12

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Multimodal table / gdp.pdf / Claude Fable 5 · reviewed 2026-09-06

Artificial Analysis independent agentic shell/web evaluation;220GDPvalgoldtasks; blind pairwise Elo; max effort for Claude.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table8.1.A;8.15.3 · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

Externally evaluated result, attributed in the source footnote.

Comparison limit: The GLM card attributes this evaluation to Artificial Analysis; it is not a new Z.ai comparison. The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: GDPval-AA v2 · reviewed 2026-09-12

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Professional table / GDPval-AA v2 / Claude Fable 5 · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: GDPval-AA v2 (Elo) · reviewed 2026-09-12

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

Mean accuracy42languages; adaptive max; one trial; no tools/custom system prompts.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.18.1 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Academic table / GPQA Diamond / Claude Fable 5 · reviewed 2026-09-06

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Academic table / GPQA Diamond / Claude Fable 5 · reviewed 2026-09-06

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: GPQA Diamond · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: GPQA Diamond · reviewed 2026-09-12

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: Harvey Lab-AA · reviewed 2026-09-12

Raw rubric score; adaptive max; five trials; no tools/custom system prompt; Opus4.8grader; Fable5.1 safety fallback toOpus5.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.17 · reviewed 2026-09-12

Raw rubric score; adaptive max; five trials; no tools/custom system prompt; Opus4.8grader; Fable5.1 safety fallback toOpus5.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.17 · reviewed 2026-09-12

Length-adjusted score; HealthBench Professional paper method; no tools; Opus4.8grader; five trials.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table8.1.A;8.17.2 · reviewed 2026-09-12

Launch table reported configuration; per-cell reasoning effort unspecified; official paper scoring; length-adjusted

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Science And Health table / HealthBench Professional / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API; official paper scoring; length-adjusted; OpenAI reproduction; GPT-5.4 grader; unclipped

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Science And Health table / HealthBench Professional (length-adjusted) / Claude Fable 5 · reviewed 2026-09-06

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: HLE · reviewed 2026-09-12

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card. without tools

First-party reported result.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: HLE (wo / w tools) · reviewed 2026-09-12

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card. with tools

First-party reported result.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: HLE (wo / w tools) · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: HLE w/ tools · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: HLE w/ Tools · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. without tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: HLE-Full · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. with tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: HLE-Full · reviewed 2026-09-12

Full2500questions; no tools; auto thinking;1Mtotal token cap; no compaction; Opus4.6grader; restricted fetch and contamination review for tools.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table 8.1.A;8.12.1 · reviewed 2026-09-12

Full2500questions; with tools; auto thinking;1Mtotal token cap; no compaction; Opus4.6grader; restricted fetch and contamination review for tools.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table 8.1.A;8.12.1 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API; tools enabled

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Academic table / Humanity's Last Exam (w/ tools) / Claude Fable 5 · reviewed 2026-09-06

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: IFBench · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Professional table / Internal Data Science Tasks / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Coding table / Internal Database Migration Tasks / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Professional table / Internal Design Tasks / Claude Fable 5 · reviewed 2026-09-06

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: JobBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: JobBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: Kimi Code Bench 2.0 · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Vals AI; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: Legal Research Bench · reviewed 2026-09-12

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Professional table / Management Consulting Tasks (Internal) / Claude Fable 5 · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. without tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: MathVision · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. with tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: MathVision · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: MCP-Atlas · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: MCPMark-Verified · reviewed 2026-09-12

Mean accuracy11languages; adaptive max; five trials; no tools/custom system prompts.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.18.2 · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

Cited comparator result; see the benchmark footnote.

Comparison limit: The Qwen card cites an external leaderboard or release report for this comparator; it is not a new Qwen evaluation. The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: MLS-Bench-Lite · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: MLS-Bench-Lite · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. without tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: MMMU-Pro · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. with tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: MMMU-Pro · reviewed 2026-09-12

Databricks evaluation reading documents as images; differs from extracted-text harness.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.15.1 · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: OfficeQA Pro · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: OmniDocBench · reviewed 2026-09-12

partial pass@1;108tasks; five runs;1080p;500steps; max effort; Opus4.8grader; task fixes; Fable safety interventions score zero.

Same-condition reruns; supersedes earlier OSWorld2results and incompatible with previous task files. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.3 · reviewed 2026-09-12

strict pass@1;108tasks; five runs;1080p;500steps; max effort; Opus4.8grader; task fixes; Fable safety interventions score zero.

Same-condition reruns; supersedes earlier OSWorld2results and incompatible with previous task files. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.14.3 · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: OSWorld 2.0 · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: OSWorld-Verified · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. BasicAgent Code-Dev; Opus4.6 judge,3runs,12h each.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: PaperBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: PerceptionBench · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: PLawBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: PostTrainBench · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: PostTrainBench · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: PRBench-Finance · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: PRBench-Legal · reviewed 2026-09-12

mini-swe-agent without six-hour timeout; excludes34flaky-reference tasks; tests restricted to reference-passing tests; up to1Mcontext.

Hidden-test pass rate, not fraction of completely solved programs. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.11.1 · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites GLM release blog or Vals AI, per model; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: ProgramBench · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: ProgramBench (Almost Solved) · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Internal Qoder tasks,ClaudeCode,avg@5,6h,32768 output,temp1,256K.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: QwenQoderBench · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Internal bilingual EN/CN React benchmark,7categories,ClaudeCode,render+multimodaljudge,BT/Elo.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: QwenReactBench · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Internal bilingual EN/CN SVG benchmark,render+multimodaljudge,BT/Elo.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: QwenSVGBench · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Internal software engineering,ClaudeCode,avg@3,8h,32768 output,temp1,256K.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: QwenSWEBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: SciCode · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. v1.1 public87tasks,3runs; Anthropic ClaudeCode,OpenAI Codex,Qwen OpenCode.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: SkillsBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: SpreadsheetBench 2 · reviewed 2026-09-12

Anthropic reported configuration; adaptive thinking at max effort, default sampling, five-trial mean unless section specifies otherwise; context at most 1M. Comparator configuration follows cited prior card or board. Agent identity is not established as mini-swe-agent.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table 8.1.A; section 8.2 · reviewed 2026-09-12

Anthropic reported configuration; adaptive thinking at max effort, default sampling, five-trial mean unless section specifies otherwise; context at most 1M. Comparator configuration follows cited prior card or board. Agent identity is not established as mini-swe-agent.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table 8.1.A; section 8.2 · reviewed 2026-09-12

Anthropic reported configuration; adaptive thinking at max effort, default sampling, five-trial mean unless section specifies otherwise; context at most 1M. Comparator configuration follows cited prior card or board. Agent identity is not established as mini-swe-agent.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · Table 8.1.A; section 8.2 · reviewed 2026-09-12

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Coding table / SWE-Bench Pro / Claude Fable 5 · reviewed 2026-09-06

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Refined task set with problematic tasks corrected; all baselines rerun, Claude Code,temp1,top_p.95,256K context.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: SWE-bench Pro · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: SWE-Marathon · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: SWE-Marathon (v1.1) · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Qwen Claude Code avg@10,5h timeout,131072 output; comparators best published across harnesses.

Cited comparator result; see the benchmark footnote.

Comparison limit: The Qwen card cites an external leaderboard or release report for this comparator; it is not a new Qwen evaluation. The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: Terminal Bench 2.1 · reviewed 2026-09-12

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card.

First-party reported result.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: Terminal Bench 2.1 · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: Terminal Bench 2.1 · reviewed 2026-09-12

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: Terminal Bench 3.0 · reviewed 2026-09-12

Claude Code --bare max effort, 15 trials/task over 66 tasks; Anthropic internal reruns.

Uses more precise section values rather than rounded headline table. Distinct from2.1; timeouts/resources changed. Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.6 · reviewed 2026-09-12

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Coding table / Terminal-Bench 2.1 / Claude Fable 5 · reviewed 2026-09-06

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites GLM release blog, Artificial Analysis or OpenAI, per model; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: Terminal-Bench 2.1 · reviewed 2026-09-12

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Coding table / Terminal-Bench 4.0 / Claude Fable 5 · reviewed 2026-09-06

Maximum reported across reasoning efforts; OpenAI research environment or API

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-6 Astra: A new generation of intelligence · Academic table / Terminal-Bench Science 0.1 / Claude Fable 5 · reviewed 2026-09-06

Grok High; GPT-5.6 Sol Max; Fable 5 Max. Competitor figures from developer cards/public leaderboards as selected by xAI.

First-party reported result; comparator results retain the source evaluation setup.

Grok 4.6 launch evaluations · Performance table · reviewed 2026-09-06

70tasks; Claude Code --bare max; Fable10trials/task, Opus12; GPT Codex CLI max from public board.

Fable is the safeguarded deployed configuration; selected tasks may use disclosed Opus fallback, except evaluations explicitly counting safety blocks as failures.

Claude Fable 5.1 and Claude Mythos 5.1 System Card · 8.7 · reviewed 2026-09-12

Launch table reported configuration; per-cell reasoning effort unspecified

Provider-published result; comparator measurements are not automatically independently reproduced.

GPT-5.6: Frontier intelligence that scales with your ambition · Tool Use table / Toolathlon / Claude Fable 5 · reviewed 2026-09-06

GLM-5.3 release table; benchmark-specific harness and reasoning configurations in Evaluation Details.

First-party reported result.

Comparison limit: The source column includes fallback execution without a documented exact effort.

zai-org/GLM-5.3 · Performance table: Toolathlon Verified · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: Toolathlon Verified (Pass@1) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: Toolathlon-Verified · reviewed 2026-09-12

DeepSeek updated 0813/0731 release evaluation table; tool/harness settings per model card.

First-party reported result.

Comparison limit: The source labels this column Fable-5 (w/ fallback); it does not establish standalone Fable 5 performance. Retained as published evidence, excluded from comparable ranking inputs.

deepseek-ai/DeepSeek-V4-Pro-0813 · Performance table: Toolathlon-Verified · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card. Item-F1 over4runs; Qwen-Agent for Qwen,ClaudeCode for comparators.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: WideSearch · reviewed 2026-09-12

Source benchmark-specific methodology; Qwen benchmark effort unspecified, GPT-5.6 Sol max per table header. Max in Qwen model names is not a reported effort setting. Comparator settings and source citations as documented in the model card.

First-party reported result.

Comparison limit: The source states that Fable 5 results may involve fallback execution; an exact configuration is not established.

Qwen/Qwen3.8-2.4T-A95B · Performance table: WorkSpaceBench · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: WorldVQA ForceAnswer · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. without tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: ZeroBench (pass@5) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. with tools Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

First-party reported result.

moonshotai/Kimi-K3 · Performance table: ZeroBench (pass@5) · reviewed 2026-09-12

Table headers: Kimi K3, GPT-5.6 Sol, Opus 4.8 and GLM-5.2 max; GPT-5.5 xhigh; Fable 5 max with fallbacks. Benchmark-specific footnotes override header settings; cited results are not new Moonshot evaluations. Benchmark-specific tools, harness and budget documented under Evaluation Details. Kimi temp1; single-step top_p.95,agentic top_p1; vision tools=Python,3runs except ZeroBench5runs.

Cited result; see benchmark-specific Evaluation Details.

Comparison limit: Kimi K3 Evaluation Details cites Artificial Analysis; retain as published context, not a new Moonshot comparison.

moonshotai/Kimi-K3 · Performance table: τ³-Banking · reviewed 2026-09-12