OpenAI brings its Codex coding app to Windows

Source: Engadget

Release Overview

At the start of February, OpenAI upgraded its Codex coding app to give it the ability to manage multiple AI agents and released a standalone macOS app. Now, OpenAI has launched a dedicated Codex app for Microsoft Windows.

OpenAI Developers (@OpenAIDevs) – March 4, 2026
“The Codex app is now on Windows. Get the full Codex app experience on Windows with a native agent sandbox and support for Windows developer environments in PowerShell.”

Features

• Multi‑agent coordination – Like the macOS version, the Windows app lets multiple coding agents work on the same task.
• Automation support – Streamline repetitive tasks such as bug testing.
• Skills section – Bundles instructions, resources, and scripts that connect agents to specific tools and workflows.
• Native sandboxing – Provides a secure environment tailored for Windows developers.
• Cross‑platform session history – Sessions are saved to your OpenAI account, allowing you to start coding on macOS and continue on Windows without losing work.

Availability

Codex is available to users of the following plans:

• ChatGPT Free
• ChatGPT Go
• ChatGPT Plus
• ChatGPT Pro