Get API key

Use case

Claude Opus 5.5 Cursor

Cursor 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 fields in Cursor

Set the base URL to https://api.corouter.co and the model ID to claude-opus-5-5. Other Cursor toggles depend on the build you installed. This page does not mark an unchecked feature as available.

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.

What an editor loop costs

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).

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.