Best OpenAI Models for Math & Science
The best OpenAI model for math and science is GPT-5.6 Sol, scoring 94.1% on GPQA Diamond (graduate-level physics, chemistry and biology). GPT-5.5 (93.5%) and GPT-5.6 Terra (92.5%) round out the top three.
AI models ranked by GPQA Diamond — graduate-level physics, chemistry and biology questions that can't be answered by lookup. The best LLMs for math, quantitative reasoning and hard-science work.
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gpt-5.6-solReasoningToolsJSON+158.9 intel · $5.00/M · 74 t/s94.1%GPQA - 2gpt-5.5ReasoningToolsJSON+154.8 intel · $5.00/M · 92 t/s93.5%GPQA
- 3gpt-5.6-terraReasoningToolsJSON+155.0 intel · $2.50/M · 99 t/s92.5%GPQA
- 4gpt-5.4ReasoningToolsJSON+151.4 intel · $2.50/M · 75 t/s92.0%GPQA
- 5gpt-5.3-codexReasoningToolsJSON+144.3 intel · $1.75/M · 400K ctx91.5%GPQA
- 6gpt-5.6-lunaReasoningToolsJSON+151.2 intel · $1.00/M · 151 t/s91.1%GPQA
- 7gpt-5.2ReasoningToolsJSON+142.2 intel · $1.75/M · 73 t/s90.3%GPQA
- 8gpt-5.2-codexReasoningToolsJSON+140.1 intel · $1.75/M · 400K ctx89.9%GPQA
- 9gpt-5.4-miniReasoningToolsJSON+140.0 intel · $0.750/M · 128 t/s87.5%GPQA
- 10gpt-5.1ReasoningToolsJSON+136.9 intel · $1.25/M · 41.8s ttft87.3%GPQA
- 11gpt-5.1-codexReasoningToolsJSON+134.7 intel · $1.25/M · 400K ctx86.0%GPQA
- 12gpt-5ReasoningToolsJSON+134.7 intel · $1.25/M · 400K ctx85.4%GPQA
- 13o3-proReasoningToolsJSON+132.5 intel · $20.00/M · 200K ctx84.5%GPQA
- 14gpt-5-codexReasoningToolsJSON+136.1 intel · $1.25/M · 400K ctx83.7%GPQA
- 15gpt-5-miniReasoningToolsJSON+125.3 intel · $0.250/M · 123 t/s82.8%GPQA
- 16o3ReasoningToolsJSON+130.4 intel · $2.00/M · 200K ctx82.7%GPQA
- 17gpt-5.4-nanoReasoningToolsJSON+138.2 intel · $0.200/M · 42 t/s81.7%GPQA
- 18gpt-5.1-codex-miniReasoningToolsJSON+130.6 intel · $0.250/M · 400K ctx81.3%GPQA
- 19o4-mini-highReasoningToolsJSON+125.6 intel · $1.10/M · 200K ctx78.4%GPQA
- 20o4-miniReasoningToolsJSON+125.6 intel · $1.10/M · 200K ctx78.4%GPQA
- 21gpt-oss-120bReasoningToolsJSON23.8 intel · $0.037/M · 131K ctx78.2%GPQA
- 22o3-mini-highReasoningToolsJSON15.6 intel · $1.10/M · 200K ctx77.3%GPQA
- 23o3-miniReasoningToolsJSON19.0 intel · $1.10/M · 200K ctx74.8%GPQA
- 24o1ReasoningToolsJSON+123.4 intel · $15.00/M · 200K ctx74.7%GPQA
- 25gpt-oss-20bReasoningToolsJSON14.9 intel · $0.029/M · 131K ctx68.8%GPQA
Frequently asked
What is the best OpenAI model for math?
The best OpenAI model for math and science is GPT-5.6 Sol, scoring 94.1% on GPQA Diamond (graduate-level physics, chemistry and biology). GPT-5.5 (93.5%) and GPT-5.6 Terra (92.5%) round out the top three.
What's a good alternative to GPT-5.6 Sol?
GPT-5.5 (93.5%) is the closest alternative on this metric, followed by GPT-5.6 Terra (92.5%). See the full ranking above for the tradeoffs.
How many OpenAI models are there?
modelgrep tracks 67 OpenAI models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by GPT-5.6 Sol. 25 of them qualify for this ranking.