ArXivMath June 2026 No Tools (Mythos 5.1 System Card): leaderboard
Metric: Score (%). Source: www-cdn.anthropic.com. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 5 (Max) | 90.82 |
| 2 | GPT-5.6 Sol (Max) | 86.73 |
| 3 | Claude Opus 4.8 (Max) | 82.65 |
| 4 | Gemini 3.1 Pro (Preview) | 65.99 |
| 5 | Grok 4.5 | 65.99 |
Interactive version: theaggregate.ai/benchmark?slug=arxivmath-june-2026-no-tools-mythos-5-1-system-card · How It Works · Data refreshed daily, snapshot 2026-09-19.