RankingClaude Fable 5
Claude Fable 5
124 published benchmark measures · 24 benchmark families contribute across 5 task areas. 4 capability estimates available in the full profile. See all results ↓ · Compare published benchmarks →
Model evidence summary
This profile combines published settings. It is not a runnable configuration or a leaderboard rank. Compare measured configurations →
Performance profile
Capabilities
Filled points are supported; hollow points are preliminary. Lines stop at unknown capabilities. Exact values and sources follow below.
Scores estimate outcomes against a shared reference panel; they are not accuracy percentages. Sparse or disconnected evidence cannot qualify an overall profile. Open a capability to inspect its evidence.
Reported effort · Mixed settings
Settings reported in this model's published benchmark results, including results outside the aggregate. Effort names are provider-specific. These are not API defaults or equal compute budgets.
- Auto thinking: 2 observations
- Max: 11 observations
- Max with fallbacks: 45 observations
- XHigh: 2 observations
- XHigh with fallbacks: 1 observations
- Not specified: 127 observations
Mixed settings means multiple settings occur in the evidence. Best across efforts means the source selected its best reported result across settings; it does not mean Max. Unspecified settings stay unknown. This model-summary chart combines reported settings. The leaderboard keeps identified configurations separate and excludes unknown effort.
Inspect each result and its source ↓ · Download effort evidenceScore contributions and missing evidence
24 contributing families across 5 capabilities. Fixed reference panels do not change when the catalog expands.
Capability is fitted jointly across families. Capability estimates below describe different task areas; their weighted sum is not the Capability score.
Results without reviewed compatibility or a reference match remain in the raw evidence below. Coverage counts only contributing results.
Model information & shareable badge
- Lab
- Anthropic
- Catalog status
- active
- Availability
- Public provider catalog; account and region restrictions may apply
- Family
- Claude Fable
- Released
- —
- Context
- —
- License
- proprietary
- Model card
- https://platform.claude.com/docs/en/about-claude/model-deprecations
- Default Capability family coverage
/badge/claude-fable-5.svg
Benchmark scores & sources
Original results, evaluation harnesses, and evidence behind this model.
| Benchmark | Bucket | Score | Harness | Evidence | Source-recorded date |
|---|---|---|---|---|---|
| MCP-Atlas · source release snapshot; version not specified | Agentic | 84.7%Reported settings & sourceTable 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| MCPMark-Verified · source release snapshot; version not specified | Supporting evidence | 87.4%Reported settings & sourceTable 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| MILU | Knowledge | 92.9%Reported settings & sourceMean 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| MLS-Bench-Lite · source release snapshot; version not specified | Supporting evidence | 49.9%Reported settings & sourceSource 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| MLS-Bench-Lite · source release snapshot; version not specified | Supporting evidence | 49.9%Reported settings & sourceTable 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| MMMU-Pro · source release snapshot; version not specified | Multimodal | 81.2%Reported settings & sourceTable 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| MMMU-Pro · source release snapshot; version not specified | Multimodal | 86.5%Reported settings & sourceTable 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| OfficeQA Pro | Agentic | 57.9%Reported settings & sourceDatabricks 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| OfficeQA Pro · source release snapshot; version not specified | Agentic | 69.9%Reported settings & sourceTable 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| OmniDocBench · source release snapshot; version not specified | Supporting evidence | 89.8%Reported settings & sourceTable 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| OSWorld · 2.0 August2026 task release | Agentic | 72.9%Reported settings & sourcepartial 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| OSWorld · 2.0 August2026 task release | Agentic | 36.1%Reported settings & sourcestrict 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| OSWorld 2.0 · 2.0 | Agentic | 66.1%Reported settings & sourceTable 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| OSWorld-Verified | Agentic | 85.96% | OSWorld-Verified reportedcontributes to capability | official board | 2026-08-01 |
| OSWorld-Verified · source release snapshot; version not specified | Agentic | 85%Reported settings & sourceTable 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 2026-10-18 | Published configurationcontributes to capability | lab self-report | Reviewed 2026-10-18 |
| PaperBench · source release snapshot; version not specified | Supporting evidence | 88.8%Reported settings & sourceSource 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| PerceptionBench · source release snapshot; version not specified | Supporting evidence | 57.2%Reported settings & sourceTable 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| PLawBench · source release snapshot; version not specified | Supporting evidence | 70.2%Reported settings & sourceSource 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| PostTrainBench · source release snapshot; version not specified | Supporting evidence | 41.4%Reported settings & sourceTable 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| PostTrainBench · source release snapshot; version not specified | Supporting evidence | 41.8%Reported settings & sourceGLM-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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| PRBench-Finance · source release snapshot; version not specified | Supporting evidence | 55.8%Reported settings & sourceSource 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| PRBench-Legal · source release snapshot; version not specified | Supporting evidence | 57.6%Reported settings & sourceSource 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| ProgramBench · 166 golden-task subset | Supporting evidence | 86.3%Reported settings & sourcemini-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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| ProgramBench · source release snapshot; version not specified | Supporting evidence | 76.8%Reported settings & sourceTable 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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |
| ProgramBench (Almost Solved) · source release snapshot; version not specified | Supporting evidence | 33%Reported settings & sourceGLM-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 2026-10-18 | Published configuration | lab self-report | Reviewed 2026-10-18 |