# GPT-5.4 nano timeline

entity: /record/gpt-5-4-nano.md  
id: ent_gpt-5-4-nano  


## 2026

- 2026-03-17 | model_release | GPT-5.4 nano | valid | [clm_F1CB1C61C001](/claim/clm_F1CB1C61C001.md)
- 2026-10-01 | deprecated | gpt-5.4-nano | valid | [clm_5833C2C65752](/claim/clm_5833C2C65752.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.