How to get started with Codex

Working with Codex

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

What is Codex?

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

How to get started with ChatGPT Codex

Learn how to get started with ChatGPT Codex by setting up projects, creating threads, and completing your first tasks with step-by-step guidance.

Introducing upgrades to Codex

Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or even your phone.

Introducing Codex

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.

Codex settings

Learn how to configure Codex settings, including personalization, detail level, and permissions, to run tasks smoothly and customize your workflow.

Codex is now generally available

OpenAI Codex is now generally available with powerful new features for developers: a Slack integration, Codex SDK, and admin tools like usage dashboards and workspace management—making Codex easier to use and manage at scale.

Addendum to o3 and o4-mini system card: Codex

Codex is a cloud-based coding agent. Codex is powered by codex-1, a version of OpenAI o3 optimized for software engineering.

Unlocking the Codex harness: how we built the App Server

Learn how to embed the Codex agent using the Codex App Server, a bidirectional JSON-RPC API powering streaming progress, tool use, approvals, and diffs.

Codex for every role, tool, and workflow

Discover new Codex plugins, sites, and annotations that help analysts, marketers, designers, investors, and other teams get more done with AI.

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.