Key Info
Anthropic's Claude Haiku 5.5 is now live on OpenRouter, marking the first Haiku model to support configurable reasoning efforts while cutting costs by about 75% versus its predecessor.
Highlights
- First Haiku-family model with reasoning effort support
- Approximately 75% cheaper than the previous generation
- OpenRouter measured throughput of 100+ tokens per second
- Benchmarks show a clear capability boost over the prior Haiku
- Immediately available to use on the platform