math benchmark
USAMO25 Leaderboard
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.
Updated Aug 17, 2026
Models3
Model coverage3
MetricScore
EvidenceB
USAMO25 Ranking
Higher score ranks better on this benchmark.
Sort by
Rank | Model | Score | Percentile | Participants | Evidence | Evaluated |
|---|
| Rank01 | ModelAN | Score97.6% | Percentile100.0% | Participants3 | EvidenceC | Evaluated |
| Rank02 | ModelXA | Score61.9% | Percentile50.0% | Participants3 | EvidenceC | Evaluated |
| Rank03 | ModelXA | Score37.5% | Percentile0.0% | Participants3 | EvidenceC | Evaluated |
USAMO25 Highlights
The leading models and scores on this benchmark.
USAMO25 Score Distribution
A closer view of the leading scores on this benchmark.
The Top AI Models for USAMO25
The first five results on this benchmark, with official price and output speed added where the model identity can be matched.
Ranking basisThis usamo25 AI model leaderboard uses descending score in the benchmark's original unit. The leaderboard ranking keeps matched price and speed data separate from benchmark evidence.
- 01ANClaude Mythos PreviewAnthropic
- Score
- 97.6%
Strengths
- Ranks #1 of 3 compared models
- 100th percentile on this benchmark
- C evidence result
Considerations
- This result measures USAMO25, not total model capability
- 02XAGrok-4 HeavyxAI
- Score
- 61.9%
Strengths
- Ranks #2 of 3 compared models
- 50th percentile on this benchmark
- C evidence result
Considerations
- This result measures USAMO25, not total model capability
- 03XAGrok-4xAI
- Score
- 37.5%
- Speed
- Up to 100 tok/s via xAI
Strengths
- Ranks #3 of 3 compared models
- 0th percentile on this benchmark
- C evidence result
Considerations
- This result measures USAMO25, not total model capability
Selection summary
Best AI Models for USAMO25
Claude Mythos Preview currently leads USAMO25 with 97.6%. It is the top model on this specific benchmark, while the best LLM for the broader task should also be checked against other benchmarks, price and runtime.
Use this leaderboard with the supporting benchmark results and coverage details above. A leaderboard position summarizes the selected ranking signal; it does not replace workload-specific testing.
What is USAMO25?
What USAMO25 measures and how its scores work.
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.
Scores are shown in ratio. This benchmark is not independently verified and has an evidence level of B.
- Family
- USAMO25
- Modality
- text
- Primary category
- math
- Score direction
- higher
- LLMBoard eligible
- Yes
- Evaluation key
- usamo25|llm-stats-current
Benchmark scores retain their original unit. Overall score eligibility is shown separately.
FAQ
Common questions about USAMO25.
Which model scores highest on USAMO25?
Claude Mythos Preview is currently ranked first with 97.6%.
What does USAMO25 measure?
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.
Is a higher score better?
Yes. Higher values rank better for this benchmark.
How many models are compared?
3 model results are currently shown.
Does this benchmark affect the overall score?
Yes. This benchmark can contribute to the current LLMBoard capability score.