Weight-sparse transformers have interpretable circuits [pdf]

How People Use ChatGPT [pdf]

GPT-5 System Card [pdf]

ChatGPT agent System Card [pdf]

A practical guide to building agents [pdf]

OpenAI GPT-4.5 System Card [pdf]

O3-mini System Card [pdf]

OpenAI o1 System Card [pdf]

Model Spec

Improving image generation with better captions [pdf]

GPT-4V(ision) system card [pdf]

GPT-4 System Card [pdf]

Dota 2 with Large Scale Deep Reinforcement Learning