# clm_5833C2C65752

subject: GPT-5.4 nano (/record/gpt-5-4-nano.md)  
predicate: deprecated  
value: gpt-5.4-nano  
valid_from: 2026-10-01  
valid_to: null  
published: no source on record carries a date  
recorded: 2026-11-04  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
checked: 2026-11-04 · its source page states the value and the date  

> 2026-10-01: GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano The following models are deprecated and will be removed from the API on April 1, 2027, with six months’ notice.

What https://platform.openai.com/docs/deprecations says, word for word.

## Sources

- https://platform.openai.com/docs/deprecations (primary, OpenAI (API deprecations))

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