Claude Haiku 4.5
15 October 2025
Claude Haiku 4.5 from Anthropic, language model published 2025-10-15. Notable for: significant use.
Where it runs
| Provider | Model id | Context | Input | Output |
|---|---|---|---|---|
| OpenRouter | anthropic/claude-haiku-4.5 | 200K | $1.00/M | $5.00/M |
Abstract
Claude Haiku 4.5, our latest small model, is available today to all users. What was recently at the frontier is now cheaper and faster. Five months ago, Claude Sonnet 4 was a state-of-the-art model. Today, Claude Haiku 4.5 gives you similar levels of coding performance but at one-third the cost and more than twice the speed.
Sources: Epoch AI, OpenRouter. This entry was generated from a dataset and has not been edited by hand.