# GPT-5.1 timeline

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


## 2025

- 2025-11-13 | model_release | GPT-5.1 | valid | [clm_9E4BB33663B5](/claim/clm_9E4BB33663B5.md)

## 2026

- 2026-10-01 | deprecated | gpt-5.1 | valid | [clm_45F34DC89114](/claim/clm_45F34DC89114.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.