RankingFrontierMath Tier 4 (v2) · v2
FrontierMath Tier 4 (v2) · v2
- Bucket
- Hard reasoning
- Unit
- percent
- Direction
- Higher is better
- Version
- v2
- 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 |
|---|---|---|---|---|
| GPT-6 AstraOpenAI | 97.6%Reported settings & sourceMaximum 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 · Academic table / FrontierMath Tier 4 (v2) / GPT‑6 Astra · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| Claude Fable 5Anthropic | 90.2%Reported settings & sourceMaximum 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 · Academic table / FrontierMath Tier 4 (v2) / Claude Fable 5 · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| Claude Fable 5.1Anthropic | 87.8%Reported settings & sourceMaximum 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 · Academic table / FrontierMath Tier 4 (v2) / Claude Fable 5.1 · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| GPT-5.6 SolOpenAI | 83%Reported settings & sourceMaximum 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 · Academic table / FrontierMath Tier 4 (v2) / GPT‑5.6 Sol · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| Claude Opus 5Anthropic | 73.2%Reported settings & sourceMaximum 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 · Academic table / FrontierMath Tier 4 (v2) / Claude Opus 5 · reviewed 2026-09-06 | GPT-6 Astra: A new generation of intelligence | lab self-report | 2026-09-06 |
| Claude Fable 5Anthropic | 87.8%Reported settings & sourceLaunch 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 · Academic table / FrontierMath Tier 4 (v2) / Claude Fable 5 · reviewed 2026-09-06 | GPT-5.6: Frontier intelligence that scales with your ambition | lab self-report | 2026-09-06 |
| Claude Opus 4.8Anthropic | 56.1%Reported settings & sourceLaunch 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 · Academic table / FrontierMath Tier 4 (v2) / Claude Opus 4.8 · reviewed 2026-09-06 | GPT-5.6: Frontier intelligence that scales with your ambition | lab self-report | 2026-09-06 |
| GPT-5.5OpenAI | 72.5%Reported settings & sourceLaunch 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 · Academic table / FrontierMath Tier 4 (v2) / GPT‑5.5 · reviewed 2026-09-06 | GPT-5.6: Frontier intelligence that scales with your ambition | lab self-report | 2026-09-06 |
| GPT-5.6 LunaOpenAI | 58.5%Reported settings & sourceLaunch 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 · Academic table / FrontierMath Tier 4 (v2) / GPT‑5.6 Luna · reviewed 2026-09-06 | GPT-5.6: Frontier intelligence that scales with your ambition | lab self-report | 2026-09-06 |
| GPT-5.6 SolOpenAI | 83%Reported settings & sourceLaunch 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 · Academic table / FrontierMath Tier 4 (v2) / GPT‑5.6 Sol · reviewed 2026-09-06 | GPT-5.6: Frontier intelligence that scales with your ambition | lab self-report | 2026-09-06 |
| GPT-5.6 TerraOpenAI | 68.3%Reported settings & sourceLaunch 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 · Academic table / FrontierMath Tier 4 (v2) / GPT‑5.6 Terra · reviewed 2026-09-06 | GPT-5.6: Frontier intelligence that scales with your ambition | lab self-report | 2026-09-06 |