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GPT-5 System Card

OpenAI publishes the GPT-5 system card, detailing a unified routing model spanning gpt-5-main, gpt-5-thinking, and lightweight variants such as gpt-5-thinking-nano for varied task demands.

Aug 7 · 02:00:00 · primary fetch1 sourceupdated Aug 7 · 02:00:00

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.

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openai.comGPT-5 System Cardprimary02:00:00