Claude Opus 4.1
Benchmark scores
| Benchmark | Category | Rank | Score | Captured |
|---|---|---|---|---|
| METR Time Horizon | agents | #11 | 1h40m | 2025-08-05 |
| AA Coding Index | code | #21 | 36.5% | 2026-05-02 |
| Chatbot Arena | chat | #27 | 1418 | 2026-05-01 |
| OpenRouter · Weekly Usage | usage | #51 | #243 | 2026-05-02 |