Claude Opus 4.5 (20251101) (Unknown) — benchmark results
Provider: Anthropic. Access: API.
Unified ELO 1821 ± 31, rank #126 of 1752 rated models, from 7 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| Epoch AI - Enigma Eval | 11.91 | Score | 83.8 |
| Terminal-Bench 2.0 | 63.1 | Accuracy (%) | 78.4 |
| Epoch AI - Algotune | 1.77 | Score | 76.5 |
| Epoch AI - Proofbench | 36 | Score | 71.4 |
| Epoch AI - Rli | 3.75 | Score | 66.7 |
| Epoch AI - Apex Agents | 18.4 | Score | 55.2 |
| Epoch AI - Vending Bench 2 | 1040.28 | Score | 37 |
Interactive version: aibenchmarks.dev/model?slug=claude-opus-4-5-20251101-unknown · How the rankings work · Data refreshed daily, snapshot 2026-07-16.