Use case
Claude Sonnet 4.6 Claude Code
Claude Code notes for claude-sonnet-4-6: 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 $1.20 on corouter (input $0.600, output $0.600).
Two settings in Claude Code
Set the model to claude-sonnet-4-6 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 Sonnet 4.6 keeps the previous Sonnet list rate, above Sonnet 5, with a 1M window and the Code tag. Send claude-sonnet-4-6 when a runbook still names it.
An agent-loop bill
A sample of 1 million input tokens plus 200 thousand output tokens is about $1.20 on corouter (input $0.600, output $0.600).
Claude Sonnet 4.6 (claude-sonnet-4-6) lists at $3.00 input and $15.00 output per million tokens. corouter bills $0.600 input and $3.00 output. Context is 1M.
Questions
- Which model ID should the request send?
- Send claude-sonnet-4-6. 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.