# clm_71DB3BEC24FC

subject: OpenAI o3 (/record/openai-o3.md)  
predicate: developer  
value: [OpenAI](/record/openai.md)  
valid_from: 2025-04-16  
valid_to: null  
published: 2025-04-16  
recorded: 2026-10-29  
confidence: 0.90  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-02  
checked: 2026-11-02 · its source page states the value and the date (its publisher's feed entry for the page)  

> Introducing OpenAI o3 and o4-mini. Our smartest and most capable models to date with full tool access

What https://openai.com/index/introducing-o3-and-o4-mini says, word for word.

## Sources

- https://www.wikidata.org/wiki/Q131535482 (secondary, Wikidata)
- https://openai.com/index/introducing-o3-and-o4-mini (primary, OpenAI, published 2025-04-16)
- https://techcrunch.com/2025/06/10/openai-releases-o3-pro-a-souped-up-version-of-its-o3-ai-reasoning-model/ (secondary, techcrunch.com)

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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.