# clm_E1C5929C5AD6

subject: OpenAI o4-mini (/record/openai-o4-mini.md)  
predicate: retired  
value: o4-mini  
valid_from: 2026-10-23  
valid_to: null  
published: no source on record carries a date  
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  

> October 23, 2026 o4-mini-2025-04-16 | o4-mini gpt-5.6-terra

What https://platform.openai.com/docs/deprecations says, word for word.

## Sources

- https://platform.openai.com/docs/deprecations (primary, OpenAI (API deprecations))

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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.