# clm_E27E77AB0A2E

subject: Anthropic (/record/anthropic.md)  
predicate: released  
value: Claude Sonnet 5.5  
valid_from: 2026-09-28  
valid_to: null  
published: 2026-09-28  
recorded: 2026-10-29  
confidence: 0.50  
status: unverified  
assertable: false (unverified: Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it.)  
superseded_by: null  
last_updated: 2026-10-29  
checked: 2026-10-29 · its source page states the value and the date  

> Claude Sonnet 5.5 from Anthropic is now available on AI Gateway as anthropic/claude-sonnet-5.5 .

What https://vercel.com/changelog/claude-sonnet-5-5-now-available-on-ai-gateway says, word for word.

## Sources

- https://vercel.com/changelog/claude-sonnet-5-5-now-available-on-ai-gateway (secondary, Vercel, published 2026-09-28)

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