MathArena - IMO 2025: leaderboard
International Mathematical Olympiad 2025: the most prestigious global math competition, requiring proof-based solutions to six extremely difficult problems over two days.
Metric: Accuracy (%). Source: matharena.ai. Saturation forecast: Around February 2027. 7 models tracked.
Top models
| # | Model | Score | Overall rank |
|---|---|---|---|
| 1 | Best Expert | 100 | |
| 2 | GPT-5 (High) | 38.1 | #98 (GPT-5) |
| 3 | Gemini 2.5 Pro | 31.55 | #152 |
| 4 | O3 (High) | 16.67 | #124 (O3) |
| 5 | O4 Mini (High) | 14.29 | #180 (O4 Mini) |
| 6 | Grok 4 | 11.9 | #181 |
| 7 | DeepSeek R1 0528 | 6.85 | #222 |
No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.
Interactive version: theaggregate.ai/benchmark?slug=matharena-imo-2025 · How It Works · Data refreshed daily, snapshot 2026-10-20.