# clm_BCD9CB9918BE

subject: DeepSeek (/record/deepseek.md)  
predicate: model_release  
value: DeepSeek-R1-0528  
valid_from: 2025-05-28  
valid_to: null  
published: 2025-05-28  
recorded: 2026-10-31  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-10-31  
checked: 2026-10-31 · its source page states the value and the date  

> DeepSeek-R1-0528 Release 2025/05/28 Copy Markdown Copy Markdown Open Markdown DeepSeek-R1-0528 Release 🚀 DeepSeek-R1-0528 is here!

What https://api-docs.deepseek.com/news/news250528 says, word for word.

## Sources

- https://api-docs.deepseek.com/news/news250528 (primary, DeepSeek, published 2025-05-28)

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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.