OSWorld 2.1
- Anthropic
- Reported in a later post or card
Results
| Model | Score | Source | Source check |
|---|---|---|---|
| Claude Sonnet 5.528 Sep 2026 · Anthropic | 43.5% | Claude Sonnet 5.5 System Cardmax effort; mean of 5 runs; September 10, 2026 task files | Source checkedA person checked this number against its source on 20 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced. |
| Claude Opus 5.522 Sep 2026 · Anthropic | 48.7% | Claude Sonnet 5.5 System Cardmax effort; mean of 5 runs; September 10, 2026 task files; reported later | Source checkedA person checked this number against its source on 20 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced. |
| Claude Sonnet 530 Jun 2026 · Anthropic | 25.6% | Claude Sonnet 5.5 System Cardmax effort; mean of 5 runs; September 10, 2026 task files; reported later | Source checkedA person checked this number against its source on 20 Oct 2026. This confirms the number matches what the lab published, not that the score was reproduced. |
Benchmark
github.comHigher is better
XLANG LabIntroduced 16 Sep 2026