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AIME 2025 (with tools)
Problems from the American Invitational Mathematics Examination, a hard high-school math competition.
- 1gpt-oss-20b · OpenAI98.7%
- 2gpt-oss-120b · OpenAI97.9%
How each maker reported it
- gpt-oss-20b Figures 1, 2, 4; Table 2
OpenAI's own pass@1 results at reasoning level high. AIME and HLE with tools; Codeforces with a terminal tool. o3-mini was run without tools on AIME, HLE and Codeforces, so those cells are left empty. Baseline values read from OpenAI's charts.
- gpt-oss-120b Figures 1, 2, 4; Table 2
OpenAI's own pass@1 results at reasoning level high. AIME and HLE with tools; Codeforces with a terminal tool. o4-mini and o3 values read from OpenAI's charts.
Only each model's own maker's number is shown; scores a maker reports for rival models are left out.