RankingTerminal-Bench 4.0 · 4.0

Terminal-Bench 4.0 · 4.0

Data updated 12 Sept 2026

Bucket
Coding
Unit
percent
Direction
Higher is better
Version
4.0
Display harness
GPT-6 Astra: A new generation of intelligence
Board
https://openai.com/index/gpt-6-astra/

Compare published benchmark results with category weights →

Models

ModelScoreHarnessEvidenceSource-recorded date
GPT-6 AstraOpenAI57.9%
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 · Coding table / Terminal-Bench 4.0 / GPT‑6 Astra · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
Claude Fable 5.1Anthropic55.8%
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 · Coding table / Terminal-Bench 4.0 / Claude Fable 5.1 · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
Claude Opus 5Anthropic52.6%
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 · Coding table / Terminal-Bench 4.0 / Claude Opus 5 · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
Claude Fable 5Anthropic44.5%
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 · Coding table / Terminal-Bench 4.0 / Claude Fable 5 · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
GPT-5.6 SolOpenAI37.3%
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 · Coding table / Terminal-Bench 4.0 / GPT‑5.6 Sol · reviewed 2026-09-06

GPT-6 Astra: A new generation of intelligencelab self-report2026-09-06
Gemini 3.8 FlashGoogle19.1%
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 · Coding table / Terminal-Bench 4.0 / Gemini 3.8 Flash · reviewed 2026-09-06

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