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Anthropic · model release

Claude Haiku 4.5

Anthropic releases Haiku 4.5, its small, low-cost Claude model, to all users.

In detail

Anthropic released Claude Haiku 4.5, which it calls its latest small model, to all users. Developers can use it through the Claude API at $1 per million input tokens and $5 per million output tokens, and on Amazon Bedrock and Google Cloud Vertex AI.

Sources

  1. Introducing Claude Haiku 4.5 · Anthropic · Primary source

Last checked 11 November 2026.