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AI summary
Written by AI from the official notes. Check them for exact details.Claude Haiku 5.5 has been released, optimized for high-volume tasks with a large context window.
- 1M token context window for better context retention
- 128k max output tokens for extensive responses
- Adaptive thinking feature with effort parameter
- Available on multiple platforms including AWS and Google Cloud
Why it matters: Users needing efficient processing for large data tasks should consider this new model.
Full release notes
We’ve launched Claude Haiku 5.5 (claude-haiku-5-5), our most capable model tuned for high-volume and latency-sensitive work. It has a 1M token context window, 128k max output tokens, and adaptive thinking with the effort parameter. It’s available on the Claude API, Claude in Amazon Bedrock, Claude Platform on AWS, Claude on Google Cloud, and Claude in Microsoft Foundry. See What’s new in Claude Haiku 5.5.