# clm_0C6C88E4FB43

subject: OpenAI o3 (/record/openai-o3.md)  
predicate: released  
value: o3-pro  
valid_from: 2025-06-10  
valid_to: null  
published: 2025-06-10  
recorded: 2026-11-02  
confidence: 0.50  
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  

> Jun 10 Feature o3-pro v1/responses v1/batch Released o3-pro , a version of the o3 reasoning model that uses more compute to answer hard problems with better reasoning and consistency.

What https://developers.openai.com/api/docs/changelog#2025-06-10 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2025-06-10 (primary, OpenAI, published 2025-06-10)

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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.