# clm_A12497BE8AFB

subject: OpenAI o3-mini (/record/openai-o3-mini.md)  
predicate: model_release  
value: o3-mini  
valid_from: 2025-01-31  
valid_to: null  
published: 2025-01-31  
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  

> January, 2025 Jan 31 Feature o3-mini o3-mini-2025-01-31 v1/chat/completions Launched o3-mini , a new small reasoning model that is optimized for science, math, and coding tasks.

What https://developers.openai.com/api/docs/changelog#2025-01-31 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2025-01-31 (primary, OpenAI (API changelog), published 2025-01-31)

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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.