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Codex cloud

Run coding tasks in parallel cloud environments

Run tasks in isolated cloud environments, work in parallel, and start work from the web, GitHub, Linear, or Slack.

Open Codex cloud (opens in a new tab)
Set up Codex cloud
01

Run work in parallel

Give longer tasks dedicated environments and let them continue while you work on something else.

02

Reproduce the environment

Configure the dependencies, tools, variables, and setup steps each repository needs.

03

Review before you merge

Inspect the summary and diff, request a follow-up, or open a pull request when the result is ready.

Quickstart

Set up Codex cloud

Connect GitHub, create an environment, and start your first cloud task.

  1. Open Codex and sign in

    Go to Codex and sign in with your ChatGPT account.

  2. Connect GitHub

    Connect your GitHub account when prompted, then choose the repositories that Codex can access.

  3. Create an environment

    Open environment settings and create an environment for your repository. Configure any dependencies, tools, environment variables, or secrets the task needs.

    For configuration details, see Cloud environments.

  4. Start your first task

    Return to Codex, choose your environment, and describe the result you want. You can watch the task logs or let the task run in the background.

  5. Review the result

    Review the summary and diff. Ask Codex to make follow-up changes, or open a pull request when the work is ready.

See what Codex cloud can do

Give each task the environment it needs, then review the result on your schedule.

01

Delegate several tasks

Start work in parallel and return as each task reaches a reviewable result.

Learn more
02

Build a reproducible environment

Configure the dependencies, tools, variables, and setup steps a repository needs.

Learn more
03

Delegate from your integrations

Start cloud tasks from GitHub pull requests, Linear issues, or Slack channels and threads.

Learn more

Use Codex cloud when…

Work needs to run in the background

Delegate a longer task and return when it is ready.

You want to compare several attempts

Run tasks in parallel without tying up your local machine.

Work starts in GitHub, Linear, or Slack

Use integrations to hand off work without leaving the pull request, issue, channel, or thread.

You are away from your development machine

Start and review work from the web or Codex CLI.