# clm_9E78052E1A8A

subject: Claude Sonnet 4.6 (/record/claude-sonnet-4-6.md)  
predicate: model_release  
value: Claude Sonnet 4.6  
valid_from: 2026-02-17  
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  

> February 17, 2026 We’ve launched Claude Sonnet 4.6 , our latest balanced model combining speed and intelligence for everyday tasks.

What https://platform.claude.com/docs/en/release-notes/overview says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview (primary, Anthropic (Claude Platform release notes))

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