Reasoning models struggle to control their chains of thought, and that’s good

GPT-5 System Card

OpenAI

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.

Helping disaster response teams turn AI into action across Asia

OpenAI

AI for Disaster Response in Asia: OpenAI Workshop with Gates Foundation

How Amgen uses GPT-5

OpenAI

Learn how Amgen uses GPT-5.

OpenAI announces Frontier Alliance Partners

OpenAI

OpenAI announces Frontier Alliance Partners to help enterprises move from AI pilots to production with secure, scalable agent deployments.

EMEA Youth & Wellbeing Grant

OpenAI

Apply for the EMEA Youth & Wellbeing Grant, a €500,000 program funding NGOs and researchers advancing youth safety and wellbeing in the age of AI.

A research agenda for assessing the economic impacts of code generation models

OpenAI