# Claude 3 Sonnet timeline

entity: /record/claude-3-sonnet.md  
id: ent_claude-3-sonnet  


## 2024

- 2024-03-04 | model_release | Claude 3 Sonnet | valid | [clm_66B808BFEDD0](/claim/clm_66B808BFEDD0.md)

## 2025

- 2025-01-21 | deprecated | claude-3-sonnet-20240229 | valid | [clm_4AC49512C3A3](/claim/clm_4AC49512C3A3.md)
- 2025-07-21 | retired | claude-3-sonnet-20240229 | valid | [clm_7A0BF69A4663](/claim/clm_7A0BF69A4663.md)

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