AI model launches · Anthropic
Claude Haiku 5.5 launch
Anthropic introduces Claude Haiku 5.5, its cheapest and fastest small model, which costs around 75% less to run than Claude Haiku 4.5.
Claude @claudeai · 7 Oct 2026From the post
Introducing Claude Haiku 5.5: the cheapest, fastest, and most capable small model we’ve ever released. On average, it costs around 75% less to run than Claude Haiku 4.5.
Claude @claudeai on X · 7 Oct 2026