# GPT-5.5 timeline

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


## 2026

- 2026-04-24 | model_release | GPT-5.5 | valid | [clm_73BADC9F15B9](/claim/clm_73BADC9F15B9.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.