# clm_3C8DF6684FA9

subject: GPT-4o (/record/gpt-4o.md)  
predicate: model_release  
value: gpt-4o-2024-11-20  
valid_from: 2024-11-20  
valid_to: null  
published: 2024-11-20  
recorded: 2026-11-06  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-06  
cite: AsOf. "GPT-4o model release: gpt-4o-2024-11-20", as of 2024-11-20. Claim clm_3C8DF6684FA9, https://asof.is/claim/clm_3C8DF6684FA9, accessed 2026-11-08. Source: https://developers.openai.com/api/docs/changelog#2024-11-20.  
checked: 2026-11-06 · its source page states the value and the date  

> November, 2024 Nov 20 Update v1/chat/completions Released gpt-4o-2024-11-20 , our newest model in the gpt-4o series.

What https://developers.openai.com/api/docs/changelog#2024-11-20 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2024-11-20 (primary, OpenAI, published 2024-11-20)

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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.
