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A head-to-head benchmark comparison of o3-mini across 7 evaluations.
We’re releasing OpenAI o3-mini, the newest, most cost-efficient model in our reasoning series, available in both ChatGPT and the API today. Previewed in Decembe.
Full o3-mini specs →| Benchmark | o3-mini |
|---|---|
| code | |
| Codeforces Elo | 2,130 |
| LiveCodeBench v5 | 68.8% |
| math | |
| AIME 2024 | 88% |
| AIME 2025 | 82.5% |
| HMMT February 2025 | 67.5% |
| Omni-MATH | 74.6 |
| reasoning | |
| GPQA Diamond | 77.7% |
Best result per row highlighted in cyan. Each benchmark links to its definition and sources; each model links to its full scorecard.
o3-mini has the strongest result on Codeforces Elo among the models compared here. See the code-category rows in the table for the full picture.
This comparison covers 7 benchmarks on which at least one of the selected models has a published score.
Scores are aggregated from official model cards, technical reports and standard public evaluations, and link back to each benchmark's source. They are updated as new results are published.
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