Use case
Claude Haiku 4.5 streaming
streaming 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).
How streaming is billed
A streamed response is still billed on input and output tokens, not on how long the socket stays open. Output for claude-haiku-4-5 is $1.00 per million tokens.
A sample of 1 million input tokens plus 200 thousand output tokens is about $0.400 on corouter (input $0.200, output $0.200).
A field you can set
A familiar chat-completions shape often sets "stream": true next to "model": "claude-haiku-4-5". On a messages shape, follow the stream field your client actually sends.
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.
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.