RouterOne

Anthropic: Claude Haiku 4.5

Coming soon

Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance across reasoning, coding, and computer-use tasks, Haiku 4.5 brings frontier-level capability to real-time and high-volume applications.

Input:
Output:
Context length:
200K
Max output:
64K
Published:
2025-10-15

This model has not been released yet — pricing and providers will appear once it is live.