Claude Opus 4
Anthropic released 2025-05-22
$30.00 per million tokens, balanced
No independent quality score.
No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.
Every price dimension
| Input | $15.00/M |
|---|---|
| Output | $75.00/M |
| Cached input | $1.50/M |
| Cache write | $18.75/M |
| Cache write 1h | $30.00/M |
| Web search | $0.01/call |
Independent scores
No independent benchmark has measured this model.
Capability
| Context window | 200K |
|---|---|
| Max output | 32K |
| Input modes | image, text, file |
| Tool use | yes |
| Reasoning | optional |
| Knowledge cutoff | 2025-01-31 |
Provenance
| Price source | openrouter.ai |
|---|---|
| Fetched | 2026-08-24 |
| Quality data | unrated |
Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. It sets new benchmarks in...