# OpenAI o3 deprecation

entity: /record/openai-o3.md  
predicate: deprecated  
page: /record/openai-o3/deprecated  
as_of: 2026-11-04  

As of November 4, 2026, the AsOf record says OpenAI o3 was deprecated on June 11, 2026 (as o3), from a primary source (platform.openai.com). The record holds 1 claim on OpenAI o3's deprecation, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 o3](/record/openai-o3.md) | deprecated | o3 | valid 2026-06-11 to present | conf 0.95 | valid | [clm_67EADC4C8A00](/claim/clm_67EADC4C8A00.md)
  sources: https://platform.openai.com/docs/deprecations

## Every dated value

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 Superseded claims stay visible.

- [OpenAI o3](/record/openai-o3.md) | deprecated | o3 | valid 2026-06-11 to present | conf 0.95 | valid | [clm_67EADC4C8A00](/claim/clm_67EADC4C8A00.md)
  sources: https://platform.openai.com/docs/deprecations

## Questions this record answers

### When was OpenAI o3 deprecated?

On June 11, 2026 (as o3), from a primary source (platform.openai.com) (status valid, confidence 0.95).


## Get this data

- JSON: /v1/entities/openai-o3/deprecated (this fact) · /v1/entities/openai-o3?predicates=deprecated (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "openai-o3", predicates: ["deprecated"]) for every dated value · fetch(id: "/record/openai-o3/deprecated.md") for this page
- Entity twin: /record/openai-o3.md · timeline: /timelines/openai-o3.md

---

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