RankingArtificial Analysis Intelligence Index v4.1.1 · v4.1.1

Artificial Analysis Intelligence Index v4.1.1 · v4.1.1

Data updated 12 Sept 2026

Bucket
Supporting evidence
Unit
index
Direction
Higher is better
Version
v4.1.1
Display harness
GPT-6 Astra: A new generation of intelligence
Board
https://openai.com/index/gpt-6-astra/

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
Claude Fable 5.1Anthropic65.7 index score
Reported settings & source

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 5.1 · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
Claude Opus 5Anthropic63.1 index score
Reported settings & source

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 Opus 5 · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
Claude Fable 5Anthropic62.1 index score
Reported settings & source

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

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
GPT-6 AstraOpenAI61.2 index score
Reported settings & source

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 / GPT‑6 Astra · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
GPT-5.6 SolOpenAI60.9 index score
Reported settings & source

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 / GPT‑5.6 Sol · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
Gemini 3.8 FlashGoogle58.7 index score
Reported settings & source

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 / Gemini 3.8 Flash · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06