# OpenAI o4-mini timeline

entity: /record/openai-o4-mini.md  
id: ent_openai-o4-mini  


## 2025

- 2025-04-16 | model_release | o4-mini | valid | [clm_C1B0F47C0897](/claim/clm_C1B0F47C0897.md)

## 2026

- 2026-04-22 | deprecated | o4-mini | valid | [clm_522C66B748E1](/claim/clm_522C66B748E1.md)
- 2026-10-23 | retired | o4-mini | valid | [clm_E1C5929C5AD6](/claim/clm_E1C5929C5AD6.md)

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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.