Anthropic
Claude Opus 5.5
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...
claude-opus-5.5Catalog preview. Paid requests for this model are not enabled yet.
Pricing
~93%USD. No uRouter markup. Live prices can change.
- Input
- $0.294871 / 1,000,000 tokens
- Output
- $1.474355 / 1,000,000 tokens
- Cache read
- $0.014744 / 1,000,000 tokens
- Cache write
- $0.368589 / 1,000,000 tokens
Model details
- Input
- text, image, file
- Output
- text
- Context window
- 1,000,000 tokens
- Maximum output
- 128,000 tokens
- Availability
- $2.8KUncapped capacity
- Updated
- 11/8/2026, 1:28:53 AM UTC
Capacity is reserved when your request is accepted.
Price history
Observed best prices · Last 24 hours · UTC
$0.294871/ 1,000,000 tokens
Capabilities
chatstreamingweb searchvisiontoolsreasoningjson mode
Supported parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatstopstructured_outputstool_choicetoolsverbosityListed capabilities describe the model. uRouter execution support is verified separately.