Use case
Claude Sonnet 5 tool calling
tool calling notes for claude-sonnet-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 $0.800 on corouter (input $0.400, output $0.400).
Tool definitions count as input
Tool JSON schemas count toward input tokens. Input for claude-sonnet-5 is $0.400. More tools and longer schemas raise the input bill. The output rate does not change.
Claude Sonnet 5 lists below Sonnet 4.6 on both input and output and keeps the 1M window plus the Code tag. Send claude-sonnet-5 for that newer Sonnet ID.
Set it next to a lower output rate
Claude Sonnet 5 (claude-sonnet-5) lists at $2.00 input and $10.00 output per million tokens. corouter bills $0.400 input and $2.00 output. Context is 1M.
A sample of 1 million input tokens plus 200 thousand output tokens is about $0.800 on corouter (input $0.400, output $0.400).
Questions
- Which model ID should the request send?
- Send claude-sonnet-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.