# clm_F0A6893DBC49

subject: GPT-5 (/record/gpt-5.md)  
predicate: feature_added  
value: unified model routing system  
valid_from: 2025-08-07  
valid_to: null  
published: 2025-08-07  
recorded: 2026-11-03  
confidence: 0.50  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-04  
cite: AsOf. "GPT-5 feature added: unified model routing system", as of 2025-08-07. Claim clm_F0A6893DBC49, https://asof.is/claim/clm_F0A6893DBC49, accessed 2026-11-09. Source: https://openai.com/index/gpt-5-system-card.  
checked: 2026-11-04 · its source page states the value and the date (its publisher's feed entry for the page)  

> This GPT-5 system card explains how a unified model routing system powers fast and smart responses using gpt-5-main, gpt-5-thinking, and lightweight versions like gpt-5-thinking-nano, optimized for different tasks and developer use

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

## Sources

- https://openai.com/index/gpt-5-system-card (primary, OpenAI, published 2025-08-07)

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