Anthropic
Claude Opus 5.5
anthropic/claude-opus-5.5
Input
$4.00
per 1M tokens
Output
$20.00
per 1M tokens
Cached input
$0.20
per 1M tokens
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
- Released
- Context window
- 1M tokens
- Max output
- 128K tokens
- Input
- text, image, file
- Output
- text
- Reasoning
- Yes
Price history
No price changes since we started tracking on .
Providers on OpenRouter
11 endpoints serve this model. Uptime is OpenRouter's share of successful requests; prices per 1M tokens.
| Provider | Input | Output | Context window | Uptime 30 min | Uptime 24 h |
|---|---|---|---|---|---|
| Amazon Bedrock | $4.00 | $20.00 | 1M | 100% | 100% |
| Anthropicvendor's own | $4.00 | $20.00 | 1M | 100% | 100% |
| Azureglobal | $4.00 | $20.00 | 1M | 100% | 100% |
| Claude Platform on AWS | $4.00 | $20.00 | 1M | 100% | 100% |
| Googleglobal | $4.00 | $20.00 | 1M | 100% | 100% |
| Amazon Bedrockeu-west-1 | $4.40 | $22.00 | 1M | 100% | 100% |
| Amazon Bedrockus-east-1 | $4.40 | $22.00 | 1M | 100% | 100% |
| Googleeurope | $4.40 | $22.00 | 1M | 100% | 100% |
| Googleus | $4.40 | $22.00 | 1M | 100% | 100% |
| Azureus | $4.40 | $22.00 | 1M | — | — |
| Anthropicfastvendor's own | $8.00 | $40.00 | 1M | 100% | 100% |