RankingArtificial Analysis Coding Agent Index v1.1 · v1.1

Artificial Analysis Coding Agent Index v1.1 · v1.1

Data updated 12 Sept 2026

Bucket
Supporting evidence
Unit
index
Direction
Higher is better
Version
v1.1
Display harness
GPT-5.6: Frontier intelligence that scales with your ambition
Board
https://openai.com/index/gpt-5-6/

The available records have no admitted matched comparison in the capability core. Raw results remain available below.

Compare published benchmark results with category weights →

Models

ModelScoreHarnessEvidenceSource-recorded date
GPT-5.6 SolOpenAI80 index score
Reported settings & source

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 / GPT‑5.6 Sol · reviewed 2026-09-06

GPT-5.6: Frontier intelligence that scales with your ambitionlab self-report2026-09-06
GPT-5.6 TerraOpenAI77.4 index score
Reported settings & source

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 / GPT‑5.6 Terra · reviewed 2026-09-06

GPT-5.6: Frontier intelligence that scales with your ambitionlab self-report2026-09-06
Claude Fable 5Anthropic77.2 index score
Reported settings & source

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

GPT-5.6: Frontier intelligence that scales with your ambitionlab self-report2026-09-06
GPT-5.5OpenAI76.4 index score
Reported settings & source

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 / GPT‑5.5 · reviewed 2026-09-06

GPT-5.6: Frontier intelligence that scales with your ambitionlab self-report2026-09-06
GPT-5.6 LunaOpenAI74.6 index score
Reported settings & source

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 / GPT‑5.6 Luna · reviewed 2026-09-06

GPT-5.6: Frontier intelligence that scales with your ambitionlab self-report2026-09-06
Claude Opus 4.8Anthropic72.5 index score
Reported settings & source

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 Opus 4.8 · reviewed 2026-09-06

GPT-5.6: Frontier intelligence that scales with your ambitionlab self-report2026-09-06
Gemini 3.1 ProGoogle42.7 index score
Reported settings & source

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 / Gemini 3.1 Pro Preview · reviewed 2026-09-06

GPT-5.6: Frontier intelligence that scales with your ambitionlab self-report2026-09-06