# clm_793845673CEF

subject: DeepSeek-V3.1 (/record/deepseek-v3-1.md)  
predicate: model_release  
value: DeepSeek-V3.1  
valid_from: 2025-08-21  
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  

> Date: 2025-08-21 DeepSeek-V3.1 Both deepseek-chat and deepseek-reasoner have been upgraded to DeepSeek-V3.1.

What https://api-docs.deepseek.com/updates says, word for word.

## Sources

- https://api-docs.deepseek.com/updates (primary, DeepSeek (API docs change log))

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