USAMO25
The 2025 United States of America Mathematical Olympiad (USAMO) benchmark consists of six challenging mathematical problems requiring rigorous proof-based reasoning. USAMO is the most prestigious high school mathematics competition in the United States, serving as the final round of the American Mathematics Competitions series. This benchmark evaluates models on mathematical problem-solving capabilities beyond simple numerical computation, focusing on formal mathematical reasoning and proof generation.
Claude Mythos Preview from Anthropic currently leads the USAMO25 leaderboard with a score of 0.976 across 3 evaluated AI models.
Claude Mythos Preview leads with 97.6%, followed by 
Grok-4 Heavy at 61.9% and Grok-4 at 37.5%.
Progress Over Time
Interactive timeline showing model performance evolution on USAMO25
USAMO25 Leaderboard
| Context | Cost | License | ||||
|---|---|---|---|---|---|---|
| 1 | Anthropic | — | — | — | ||
| 2 | xAI | — | — | — | ||
| 3 | xAI | — | — | — |
FAQ
Common questions about USAMO25.
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