# clm_884128376B64

subject: Claude Haiku 5.5 (/record/claude-haiku-5-5.md)  
predicate: model_release  
value: Claude Haiku 5.5  
valid_from: 2026-10-07  
valid_to: null  
published: no source on record carries a date  
recorded: 2026-11-04  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date  

> October 7, 2026 Claude Haiku 5.5 launch We just launched Claude Haiku 5.5, the cheapest, fastest, and most capable small model we’ve released, designed for high-volume, cost-sensitive tasks.

What https://support.claude.com/en/articles/12138966-release-notes says, word for word.

## Sources

- https://support.claude.com/en/articles/12138966-release-notes (primary, Anthropic (news))

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