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OpenAI Blog · Aug 7, 2025

GPT-5 System Card

Reviewed by Errol Vogt, Site support technician & online learning analyst · original summary · editorial policy

GPT-5 System Card. 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. This update is relevant for small-office operators tracking changes in their tools.

Operator takeaway: For operators: review whether 'GPT-5 System Card' affects your current setup before relying on it in production.

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