Benchmarks · math
USAMO 2026 (MathArena)
The six proof problems of the 2026 USA Mathematical Olympiad, the final round of the American Mathematics Competitions, with each model's proofs graded by MathArena's LLM judges. Maintained by MathArena. Score: Accuracy: average score on the six proofs with a 95% confidence interval (normal approximation); LLM judges grade each proof against a rubric that a model writes from the official solution, mapping a proof to an integer score from 0 to 7.
8 models · 8 results · data as of 2026-10-29 · matharena.ai ↗
Leaderboard
GPT-5.5 xhigh
All results
8 rows| # | Model | Effort | USAMO 2026 (MathArena) |
|---|---|---|---|
| 1 | GPT-5.5 | xhigh | 98.2% |
| 2 | GPT-5.4 | xhigh | 95.2% |
| 3 | Gemini 3.1 Pro | high | 74.4% |
| 4 | DeepSeek V4 Pro | max | 60.7% |
| 5 | Kimi K2.6 | max | 51.2% |
| 6 | Opus 4.6 | high | 47.0% |
| 7 | Qwen 3.5 397B-A17B | max | 36.3% |
| 8 | GLM 5 | high | 35.1% |