# clm_A54757599DA5

subject: GPT-5 (/record/gpt-5.md)  
predicate: model_release  
value: GPT-5.1 Thinking  
valid_from: 2025-11-12  
valid_to: null  
published: 2025-11-12  
recorded: 2026-11-03  
confidence: 0.50  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
cite: AsOf. "GPT-5 model release: GPT-5.1 Thinking", as of 2025-11-12. Claim clm_A54757599DA5, https://asof.is/claim/clm_A54757599DA5, accessed 2026-11-08. Source: https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1.  
checked: 2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)  

> GPT-5.1 Instant and GPT-5.1 Thinking System Card Addendum.

What https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1 says, word for word.

## Sources

- https://openai.com/index/gpt-5-system-card-addendum-gpt-5-1 (primary, OpenAI, published 2025-11-12)

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