SWE-bench Multilingual (Opus 5 & Mythos 5.1 System Cards): leaderboard
Metric: Resolved (%). Source: www-cdn.anthropic.com. 3 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 5 (Max) | 89.5 |
| 2 | Claude Fable 5.1 (Max) | 89.1 |
| 3 | Claude Fable 5 | 86.6 |
Interactive version: theaggregate.ai/benchmark?slug=swe-bench-multilingual-opus-5-mythos-5-1-system-cards · How It Works · Data refreshed daily, snapshot 2026-09-19.