# clm_A53FC2E07A4A

subject: OpenAI o1-mini (/record/openai-o1-mini.md)  
predicate: model_release  
value: o1-mini  
valid_from: 2024-09-12  
valid_to: null  
published: 2024-09-12  
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  

> Sep 12 Feature o1-preview o1-mini v1/chat/completions Released o1-preview and o1-mini

What https://developers.openai.com/api/docs/changelog#2024-09-12 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2024-09-12 (primary, OpenAI (API changelog), published 2024-09-12)

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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.