Guide
Call Claude Opus 5.5
Claude Opus 5.5 (claude-opus-5-5) lists at $4.00 input and $20.00 output per million tokens. corouter bills $0.800 input and $4.00 output. Context is 1M. A sample of 1 million input tokens plus 200 thousand output tokens is about $1.60 on corouter (input $0.800, output $0.800).
ID
Claude Opus 5.5 is the lower Opus list rate in this catalog, with a cheaper cache read than Opus 5 and a Code tag. Send claude-opus-5-5 when you want that ID specifically.
Claude Opus 5.5 (claude-opus-5-5) lists at $4.00 input and $20.00 output per million tokens. corouter bills $0.800 input and $4.00 output. Context is 1M.
Request
In a messages shape, set model to claude-opus-5-5 and the base URL to https://api.corouter.co. This is an Anthropic model ID.
The gap versus Opus 5
Claude Opus 5 (claude-opus-5) lists at $5.00 input and $25.00 output per million tokens. corouter bills $1.00 input and $5.00 output. Context is 1M.
A sample of 1 million input tokens plus 200 thousand output tokens is about $1.60 on corouter (input $0.800, output $0.800).
A sample of 1 million input tokens plus 200 thousand output tokens is about $2.00 on corouter (input $1.00, output $1.00).
Questions
- Is corouter affiliated with OpenAI or Anthropic?
- No. Vendor names identify the model and the published list rate.