Use case
Claude Haiku 4.5 API
API notes for claude-haiku-4-5: 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 $0.400 on corouter (input $0.200, output $0.200).
The ID to send
Claude Haiku 4.5 is the short-window, low list-rate Claude row: 200K, chat and vision, no Code tag. Send claude-haiku-4-5 for volume that fits that window.
Put claude-haiku-4-5 in the model field. The base URL is https://api.corouter.co. Familiar JSON shapes stay familiar. Do not treat a feature as covered until your own production traffic has checked it.
Rate card
Claude Haiku 4.5 (claude-haiku-4-5) lists at $1.00 input and $5.00 output per million tokens. corouter bills $0.200 input and $1.00 output. Context is 200K.
A sample of 1 million input tokens plus 200 thousand output tokens is about $0.400 on corouter (input $0.200, output $0.200).
Questions
- Which model ID should the request send?
- Send claude-haiku-4-5. 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.

