# Claude 3.5 Sonnet (upgraded) timeline

entity: /record/claude-3-5-sonnet-v2.md  
id: ent_claude-3-5-sonnet-v2  


## 2024

- 2024-10-22 | model_release | [Claude 3.5 Sonnet](/record/claude-3-5-sonnet.md) | valid | [clm_F9D25107849E](/claim/clm_F9D25107849E.md)
- 2024-10-22 | predecessor | [Claude 3.5 Sonnet](/record/claude-3-5-sonnet.md) | valid | [clm_EEDA56EFCDBA](/claim/clm_EEDA56EFCDBA.md)

## 2025

- 2025-08-13 | deprecated | claude-3-5-sonnet-20241022 | valid | [clm_F45BFAC073D7](/claim/clm_F45BFAC073D7.md)
- 2025-10-28 | retired | claude-3-5-sonnet-20241022 | valid | [clm_C87AFD034D45](/claim/clm_C87AFD034D45.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.