How we built OWL, the new architecture behind our ChatGPT-based browser, Atlas

Introducing ChatGPT Atlas, the browser with ChatGPT built in

ChatGPT Atlas, the browser with ChatGPT built it. Get instant answers, summaries, and smart web help—right from any page.

ChatGPT Sites

Create that kind of lightweight website or app with Codex.

Introducing GPT-4o and more tools to ChatGPT free users

Introducing GPT-4o and more tools to ChatGPT free users We are launching our newest flagship model and making more capabilities available for free in ChatGPT.

Introducing ChatGPT and Whisper APIs

Introducing GPT-5.2

GPT-5. 2 is our most advanced frontier model for everyday professional work, with state-of-the-art reasoning, long-context understanding, coding, and vision.

Introducing ChatGPT agent

Introducing ChatGPT agent: it thinks and acts, using tools to complete tasks like research, bookings, and slideshows—all with your guidance.

Introducing canvas, a new way to write and code with ChatGPT.

Introducing canvas

ChatGPT agent System Card

ChatGPT agent System Card: OpenAI’s agentic model unites research, browser automation, and code tools with safeguards under the Preparedness Framework.

Introducing apps in ChatGPT and the new Apps SDK

We’re introducing a new generation of apps you can chat with, right inside ChatGPT. Developers can start building them today with the new Apps SDK, available in preview.

ChatGPT plugins

We’ve implemented initial support for plugins in ChatGPT. Plugins are tools designed specifically for language models with safety as a core principle, and help ChatGPT access up-to-date information, run computations, or use third-party services.

What is ChatGPT Codex?

Learn how ChatGPT Codex helps you go beyond chat by automating tasks, connecting tools, and producing real outputs like docs and dashboards.

Working with ChatGPT Codex

Learn how to set up your ChatGPT Codex workspace, create threads and projects, manage files, and start completing tasks with step-by-step guidance.