# clm_99649CA0F7B7

subject: Claude 3.5 Sonnet (upgraded) (/record/claude-3-5-sonnet-v2.md)  
predicate: model_release  
value: Claude Sonnet 3.5  
valid_from: 2024-10-22  
valid_to: null  
published: 2024-10-22  
recorded: 2026-11-15  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-15  
cite: AsOf. "Claude 3.5 Sonnet (upgraded) model release: Claude Sonnet 3.5", as of 2024-10-22. Claim clm_99649CA0F7B7, https://asof.is/claim/clm_99649CA0F7B7, accessed 2026-11-15. Source: https://platform.claude.com/docs/en/release-notes/overview#2024-10-22.  
checked: 2026-11-15 · its source page states the value and the date, as read by an AI model  

> October 22, 2024 We’ve added Anthropic-defined computer use tools to our API for use with the new Claude Sonnet 3.5. Read more in Computer use tool . Claude Sonnet 3.5, our most intelligent model yet, just got an upgrade and is now available on the Claude API.

What https://platform.claude.com/docs/en/release-notes/overview#2024-10-22 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2024-10-22 (primary, Anthropic, published 2024-10-22)

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