We’ve just sent a letter to Gov. Gavin Newsom calling for California to lead the way in harmonizing state-based AI regulation with nation...
Built with OpenAI o3, o3-Pro, GPT-4.1, and GPT-5, Basis’ AI agents help accounting firms save up to 30% of their time and expand capacity...
GPT-5 is OpenAI’s most advanced model—transforming enterprise AI, automation, and workforce productivity in the new era of intelligent work.
Introducing GPT-5 in our API platform—offering high reasoning performance, new controls for devs, and best-in-class results on real codin...
Human-Computer Interaction and Visualization
Learn how GPT-5 unlocks new possibilities in coding and design.
Learn how GPT-5 assists with creative writing.
Learn how GPT-5 is used for medical research.
We are introducing GPT‑5, our best AI system yet. GPT‑5 is a significant leap in intelligence over all our previous models, featuring sta...
See how a group of leading developers use GPT-5 for the first time.
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 ...
Discover how OpenAI's new safe-completions approach in GPT-5 improves both safety and helpfulness in AI responses—moving beyond hard refu...
Learn how Amgen uses GPT-5.
Learn how Cursor uses GPT-5.
Generative AI
General Science
Today, OpenAI for Government is announcing a new partnership with the U.S. General Services Administration (GSA) to launch a transformati...
In this paper, we study the worst-case frontier risks of releasing gpt-oss. We introduce malicious fine-tuning (MFT), where we attempt to...
We introduce gpt-oss-120b and gpt-oss-20b, two open-weight reasoning models available under the Apache 2.0 license and our gpt-oss usage ...
We’re releasing gpt-oss-120b and gpt-oss-20b—two state-of-the-art open-weight language models that deliver strong real-world performance ...
AI’s next frontier isn’t just about capability—it’s about who gets to use it. Our mission to put AI in the hands of as many people as pos...
We build ChatGPT to help you thrive in all the ways you want. Learn how we're improving support for tough moments, have rolled out remind...
Machine Intelligence
Discover how Figma is transforming digital design with AI. David Kossnick shares how tools like Figma Make empower teams to prototype, co...