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.