# Claude 2.1 timeline

entity: /record/claude-2-1.md  
id: ent_claude-2-1  


## 2023

- 2023-11-21 | context_window | 200K token context window | valid | [clm_EB2E8F209197](/claim/clm_EB2E8F209197.md)
- 2023-11-21 | model_release | Claude 2.1 | valid | [clm_9B3815438148](/claim/clm_9B3815438148.md)
- 2023-11-21 | predecessor | Claude 2.0 | valid | [clm_3BC5C78576BD](/claim/clm_3BC5C78576BD.md)

## 2025

- 2025-01-21 | deprecated | claude-2.1 | valid | [clm_353889F4D96F](/claim/clm_353889F4D96F.md)
- 2025-07-21 | retired | claude-2.1 | valid | [clm_88032FA366AC](/claim/clm_88032FA366AC.md)

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