GPT-5 System Card

OpenAI Blog ·

GPT-5 System Card reveals a unified model routing system with gpt-5-main, gpt-5-thinking, and lightweight nano variants optimized for different tasks.

Categories: Model Releases

Excerpt

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.

Read at source: https://openai.com/index/gpt-5-system-card