# clm_6CAFAACFA94D

subject: GPT-5 (/record/gpt-5.md)  
predicate: context_window  
value: 1M-token  
valid_from: 2026-03-05  
valid_to: null  
published: 2026-03-05  
recorded: 2026-11-01  
confidence: 0.50  
status: unverified  
assertable: false (unverified: Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it.)  
superseded_by: null  
last_updated: 2026-11-01  
checked: 2026-11-01 · its source page states the value and the date (its publisher's feed entry for the page)  

> Introducing GPT-5.4, OpenAI’s most most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context

What https://openai.com/index/introducing-gpt-5-4 says, word for word.

## Sources

- https://openai.com/index/introducing-gpt-5-4 (secondary, OpenAI, published 2026-03-05)

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