# clm_7A0BF69A4663

subject: Claude 3 Sonnet (/record/claude-3-sonnet.md)  
predicate: retired  
value: claude-3-sonnet-20240229  
valid_from: 2025-07-21  
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  

> July 21, 2025 claude-3-sonnet-20240229 claude-sonnet-5-5

What https://platform.claude.com/docs/en/about-claude/model-deprecations says, word for word.

## Sources

- https://platform.claude.com/docs/en/about-claude/model-deprecations (primary, Anthropic (docs, model deprecations))

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.