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Use case

Claude Opus 5.5 Claude Code

Claude Code notes for claude-opus-5-5: the rate card, a worked volume, and when to send this ID. A sample of 1 million input tokens plus 200 thousand output tokens is about $1.60 on corouter (input $0.800, output $0.800).

Two settings in Claude Code

Set the model to claude-opus-5-5 and the base URL to https://api.corouter.co. The exact environment variable names follow the Claude Code build you installed. This page stands behind the ID and the rate card.

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.

An agent-loop bill

A sample of 1 million input tokens plus 200 thousand output tokens is about $1.60 on corouter (input $0.800, output $0.800).

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.

Questions

Which model ID should the request send?
Send claude-opus-5-5. Do not put a different name in the model field.
What is the minimum top-up?
Prepaid credits, $5 minimum top-up, no subscription tier.