Claude Opus 4.5
Anthropic- Parameters
- Unknown
- Release Date
- 2025-10
Benchmark Scores
| Benchmark | Category | Score |
|---|---|---|
| SWE-bench Verified | Coding | 80.9% |
| Nejumi 4 | Japanese | 80.6% |
| AIME 2025 | Math | 93.0% |
| LMArena ELO | Overall | 1480 |
| ARC-AGI-2 | Reasoning | 37.6% |
| GPQA Diamond | Reasoning | 87.0% |