DevelopingAI

Anthropic launches Claude Haiku 5.5 for fast, high-volume tasks

Claude Haiku 5.5 is presented as a lightweight model for high-volume work, including subagents, quick edits, terminal tasks, summaries, and classification. It is available in GitHub Copilot and on Amazon Bedrock and Claude Platform on AWS. The AWS announcement says it costs around 75% less than Claude Haiku 4.5 for most tasks; other supplied sources do not confirm that comparison.

Image: AWS Machine Learning Blog

What we know

Confirmed by several sources

Reported by one source

  • Claude Haiku 5.5 is generally available in GitHub Copilot. — GitHub Changelog
  • Claude Haiku 5.5 is available on Amazon Bedrock and Claude Platform on AWS. — AWS Machine Learning Blog
  • Anthropic describes it as the first Haiku model with effort controls. — Techmeme
  • The AWS announcement says it costs around 75% less than Claude Haiku 4.5 for most tasks. — AWS Machine Learning Blog
  • The model overview lists model IDs, context window, output limits, pricing, availability, and developer resources, but the supplied summary gives no specific values. — Hacker News

Open questions

  • The supplied summaries do not establish specific model IDs, context-window size, output limits, or detailed pricing beyond the AWS source's stated comparison. — AWS Machine Learning Blog, Hacker News

Coverage 4 publishers

  1. GitHub Changelog

    Claude Haiku 5.5 in GitHub Copilot

  2. AWS Machine Learning Blog

    Introducing Claude Haiku 5.5 on AWS

  3. Techmeme

    Anthropic launches Claude Haiku 5.5, the first Haiku model with effort controls, for high-volume, cost-sensitive tasks like summary and classification requests (Anthropic)

  4. Hacker News

    Claude Haiku 5.5

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