# OpenAI o4-mini deprecation

entity: /record/openai-o4-mini.md  
predicate: deprecated  
page: /record/openai-o4-mini/deprecated  
as_of: 2026-11-04  

As of November 4, 2026, the AsOf record says OpenAI o4-mini was deprecated on April 22, 2026 (as o4-mini), from a primary source (platform.openai.com). The record holds 1 claim on OpenAI o4-mini's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current deprecation

What the record asserts on 2026-11-04.

- [OpenAI o4-mini](/record/openai-o4-mini.md) | deprecated | o4-mini | valid 2026-04-22 to present | conf 0.95 | valid | [clm_522C66B748E1](/claim/clm_522C66B748E1.md)
  sources: https://platform.openai.com/docs/deprecations

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [OpenAI o4-mini](/record/openai-o4-mini.md) | deprecated | o4-mini | valid 2026-04-22 to present | conf 0.95 | valid | [clm_522C66B748E1](/claim/clm_522C66B748E1.md)
  sources: https://platform.openai.com/docs/deprecations

## Questions this record answers

### When was OpenAI o4-mini deprecated?

On April 22, 2026 (as o4-mini), from a primary source (platform.openai.com) (status valid, confidence 0.95).


## Get this data

- JSON: /v1/entities/openai-o4-mini/deprecated (this fact) · /v1/entities/openai-o4-mini?predicates=deprecated (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "openai-o4-mini", predicates: ["deprecated"]) for every dated value · fetch(id: "/record/openai-o4-mini/deprecated.md") for this page
- Entity twin: /record/openai-o4-mini.md · timeline: /timelines/openai-o4-mini.md

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.