# clm_2F4774A6ABBC

subject: GPT-5 (/record/gpt-5.md)  
predicate: feature_added  
value: minimal reasoning effort value  
valid_from: 2025-08-07  
valid_to: null  
published: 2025-08-07  
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  

> Aug 7 Feature v1/chat/completions v1/responses Released GPT-5 family of models in the API, including gpt-5 , gpt-5-mini , and gpt-5-nano . Introduced the minimal reasoning effort value to optimize for fast responses in GPT-5 models (which support reasoning).

What https://developers.openai.com/api/docs/changelog#2025-08-07 says, word for word.

## Sources

- https://developers.openai.com/api/docs/changelog#2025-08-07 (secondary, OpenAI, published 2025-08-07)

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