Claude Opus 4.5
Anthropic · Chat model · 200K context · Released 2025-09-01T00:00:00Z · Official page
Benchmark Scores
| Benchmark | Score | |
|---|---|---|
| Arena ELO | 1470.0 / 2000 | |
| MMLU | 89.5 / 100 |
Pricing & Availability
| Provider | Input/M | Output/M | As of |
|---|---|---|---|
| Anthropic API | $5.00 | $25.00 | 2025-09-01T00:00:00Z |
| AWS Bedrock | $5.00 | $25.00 | 2025-09-01T00:00:00Z |