RankingHumanity's Last Exam (w/ tools) · not specified
Humanity's Last Exam (w/ tools) · not specified
- Bucket
- Hard reasoning
- Unit
- percent
- Direction
- Higher is better
- Version
- not specified
- 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
| Model | Score | Harness | Evidence | Source-recorded date |
|---|---|---|---|---|
| Claude Fable 5.1Anthropic | 65%Reported settings & sourceMaximum 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 5.1 · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| Claude Fable 5Anthropic | 63.8%Reported settings & sourceMaximum 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 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| Claude Opus 5Anthropic | 63.6%Reported settings & sourceMaximum 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 Opus 5 · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| GPT-6 AstraOpenAI | 57.2%Reported settings & sourceMaximum 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) / GPT‑6 Astra · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |