# GPT-5.1-Codex timeline

entity: /record/gpt-5-1-codex.md  
id: ent_gpt-5-1-codex  


## 2025

- 2025-11-13 | model_release | gpt-5.1-codex | valid | [clm_E469597CD92B](/claim/clm_E469597CD92B.md)

## 2026

- 2026-04-22 | deprecated | gpt-5.1-codex | valid | [clm_1CF75671E227](/claim/clm_1CF75671E227.md)
- 2026-07-23 | retired | gpt-5.1-codex | valid | [clm_98D4559904E8](/claim/clm_98D4559904E8.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.