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Task ranking
Best AI for Reasoning
Ranked by GPQA Diamond, the graduate-level science benchmark built to resist lookup.
Our top pick: GPT-6 Astra — #1 on GPQA Diamond (96.0%) · League Score 97 · $10.00/$50.00 per 1M. Full record, pricing and benchmarks on its model page; or run the model picker for a recommendation matched to your budget and context needs.
| # | Model | Maker | Why it ranks here |
|---|---|---|---|
| 1 | GPT-6 Astra | OpenAI | #1 on GPQA Diamond (96.0%) · League Score 97 · $10.00/$50.00 per 1M |
| 2 | Gemini 3.8 Flash | Google DeepMind | #2 on GPQA Diamond (95.0%) · League Score 63 · $0.75/$3.75 per 1M |
| 3 | GPT-5.6 Sol | OpenAI | #3 on GPQA Diamond (94.6%) · League Score 82 · $4.00/$20.00 per 1M |
| 4 | Gemini 3.1 Pro Preview | Google DeepMind | #4 on GPQA Diamond (94.3%) · League Score 52 · $2.00/$12.00 per 1M |
| 5 | Claude Fable 5.1 | Anthropic | #5 on GPQA Diamond (93.7%) · League Score 97 · $10.00/$50.00 per 1M |
| 6 | Kimi K3 | Moonshot AI | #6 on GPQA Diamond (93.5%) · League Score 63 · $3.00/$15.00 per 1M |
| 7 | Claude Opus 5 | Anthropic | #7 on GPQA Diamond (93.2%) · League Score 92 · $5.00/$25.00 per 1M |
| 8 | GPT-5.6 Terra | OpenAI | #8 on GPQA Diamond (92.9%) · League Score 74 · $2.00/$12.00 per 1M |
| 9 | Qwen3.8-Max | Alibaba Qwen | #9 on GPQA Diamond (92.6%) · League Score 62 · $2.00/$6.00 per 1M |
| 10 | GPT-5.6 Luna | OpenAI | #10 on GPQA Diamond (92.3%) · League Score 60 · $0.20/$1.20 per 1M |
Rankings regenerate from the model database on every data update. Metrics and sources: methodology.