USAMO 2026 (Mythos Preview System Card) — leaderboard
Metric: Score (%). Source: www-cdn.anthropic.com. 4 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Mythos Preview | 97.6 |
| 2 | GPT-5.4 | 95.2 |
| 3 | Gemini 3.1 Pro (Preview) | 74.4 |
| 4 | Claude Opus 4.6 | 42.3 |
Interactive version: theaggregate.ai/benchmark?slug=usamo-2026-mythos-preview-system-card · How the rankings work · Data refreshed daily, snapshot 2026-07-22.