# o1-pro timeline

entity: /record/openai-o1-pro.md  
id: ent_openai-o1-pro  


## 2025

- 2025-03-19 | model_release | o1-pro | valid | [clm_D24431C1A32D](/claim/clm_D24431C1A32D.md)

## 2026

- 2026-04-22 | deprecated | o1-pro | valid | [clm_B9EE55A4A47C](/claim/clm_B9EE55A4A47C.md)
- 2026-10-23 | retired | o1-pro | valid | [clm_F6B0903BEE61](/claim/clm_F6B0903BEE61.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.