# clm_9E4BB33663B5

subject: GPT-5.1 (/record/gpt-5-1.md)  
predicate: model_release  
value: GPT-5.1  
valid_from: 2025-11-13  
valid_to: null  
published: 2025-11-13  
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  

> Nov 13 Feature gpt-5.1 gpt-5.1-codex gpt-5.1-chat-latest gpt-5.1-codex-mini v1/responses v1/chat/completions Released GPT-5.1 , the newest flagship model in the GPT-5 model family.

What https://developers.openai.com/api/docs/changelog#2025-11-13 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2025-11-13 (primary, OpenAI, published 2025-11-13)

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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.