Anthropic · model
Claude Opus 5.5 (medium with fallback) benchmark scores
As of 2026-10-07, Claude Opus 5.5 (medium with fallback) (Anthropic) has measured scores on 2 benchmarks and estimated scores on 3 more.
| Benchmark | Score | Source |
|---|---|---|
| Terminal-Bench 2.1 | 89.4% | estimated ± 7.0 pp, medium confidence |
| Terminal-Bench 4.0 | 53.6% | estimated ± 8.2 pp, medium confidence |
| Terminal-Bench Science 0.1 | 43.3% | measured |
| GDP.pdf | 27.6% | estimated ± 4.0 pp, high confidence |
| MMMU-Pro | 86.0% | measured |