RouterOne

Anthropic: Claude Haiku 5.5

Coming soon

Anthropic: Claude Haiku 5.5 is Anthropic’s most affordable, fastest and most powerful small form factor model yet, built for high-volume, cost-sensitive workloads. It handles summarization, reduction, database query, classification, and subagent encoding tasks with low latency, making it particularly useful in real-time customer support, browser usage, and other speed-critical applications.

Input:
Output:
Context length:
1M
Max output:
128K
Published:
2026-10-08

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