Guide
Opus IDs that are live
Opus 5.5 output is $4.00. Opus 5 and Opus 4.6, 4.7, and 4.8 output at $5.00.
Each ID
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.
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.
Claude Opus 4.8 (claude-opus-4-8) lists at $5.00 input and $25.00 output per million tokens. corouter bills $1.00 input and $5.00 output. Context is 1M.
Claude Opus 4.7 (claude-opus-4-7) lists at $5.00 input and $25.00 output per million tokens. corouter bills $1.00 input and $5.00 output. Context is 1M.
Claude Opus 4.6 (claude-opus-4-6) lists at $5.00 input and $25.00 output per million tokens. corouter bills $1.00 input and $5.00 output. Context is 1M.
How to choose
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.
If a client already pins an Opus 4 ID and the list rate matches Opus 5, you do not need to change the ID for price.
Questions
- Is corouter affiliated with OpenAI or Anthropic?
- No. Vendor names identify the model and the published list rate.

