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Best AI model for math
For math, GPT-6 Astra scores highest on the current data (91.8), weighting math 80%, reasoning 20%. The cheapest model in the top 10 is GPT-6.1 Sol at $2 / $10 per million tokens.
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Weights: Math 80%, Reasoning 20%. Math results carry most of the weight, with general reasoning as a tiebreaker.
| # | Model | Provider | Fit | Math | Reasoning | Input $/M | Output $/M |
|---|---|---|---|---|---|---|---|
| 1 | GPT-6 Astra | OpenAI | 91.8 | 93.5 | 85.1 | $10 | $50 |
| 2 | GPT-6.1 Sol | OpenAI | 91.4 | 93.7 | 81.9 | $2 | $10 |
| 3 | Claude Opus 5.5 | Anthropic | 89.4 | 91.8 | 80.2 | $4 | $20 |
| 4 | Claude Fable 5.1 | Anthropic | 87.0 | 89.6 | 76.7 | $10 | $50 |
| 5 | Claude Fable 5 | Anthropic | 86.2 | 88.5 | 76.8 | $10 | $50 |
| 6 | GPT-6 Sol | OpenAI | 84.6 | 87.2 | 74.0 | $2 | $10 |
| 7 | Claude Opus 5 | Anthropic | 84.4 | 86.2 | 77.2 | $5 | $25 |
| 8 | GPT-5.6 Sol | OpenAI | 83.4 | 85.6 | 74.8 | $4 | $20 |
| 9 | GPT-5.5 Pro | OpenAI | 81.9 | 84.0 | 73.3 | $30 | $180 |
| 10 | Claude Sonnet 5.5 | Anthropic | 81.1 | 87.9 | 54.0 | $2 | $10 |
| 11 | GPT-5.5 | OpenAI | 79.9 | 81.7 | 72.8 | $5 | $30 |
| 12 | GPT-5.6 Terra | OpenAI | 77.4 | 81.6 | 60.7 | $2 | $12 |
| 13 | Claude Opus 4.8 | Anthropic | 75.6 | 78.4 | 64.7 | $5 | $25 |
| 14 | GPT-5.4 Pro | OpenAI | 72.1 | 72.4 | 70.7 | $30 | $180 |
| 15 | Kimi K3 (open weights) | Moonshot AI | 71.9 | 74.2 | 63.0 | $3 | $15 |
| 16 | GPT-5.6 Luna | OpenAI | 71.7 | 77.7 | 47.6 | $0.20 | $1.20 |
| 17 | GPT-5.4 | OpenAI | 71.2 | 73.5 | 61.8 | $2.50 | $15 |
| 18 | GPT-6 Luna | OpenAI | 70.5 | 76.1 | 48.2 | $0.10 | $0.50 |
| 19 | Gemini 3.7 Flash | 69.7 | 69.6 | 70.0 | $0.75 | $3.75 | |
| 20 | Qwen3.8 Max | Alibaba (Qwen) | 69.4 | 73.2 | 54.4 | $2 | $6 |
| 21 | Muse Spark 1.3 | Meta | 69.3 | 73.1 | 54.0 | $1.25 | $4.25 |
| 22 | Gemini 4 Argon | 68.0 | 73.9 | 44.2 | — | — | |
| 23 | Gemini 3.8 Flash | 67.6 | 65.3 | 76.9 | $0.75 | $3.75 | |
| 24 | Grok 4.6 | xAI | 65.9 | 67.0 | 61.4 | $2 | $6 |
| 25 | Claude Haiku 5.5 | Anthropic | 65.9 | 73.6 | 35.2 | $0.10 | $0.50 |
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Top two head to head: GPT-6 Astra vs GPT-6.1 Sol
Frequently asked questions
What is the best ai model for math?
For math, GPT-6 Astra scores highest on the current data (91.8), weighting math 80%, reasoning 20%. The cheapest model in the top 10 is GPT-6.1 Sol at $2 / $10 per million tokens.
How is this shortlist built?
Math results carry most of the weight, with general reasoning as a tiebreaker. Each model's category scores are blended with those weights; only ranked models with results in every needed category are listed.
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