OpenAI

Codex Cloud

Codex Cloud runs delegated coding tasks on OpenAI-hosted infrastructure, with an isolated workspace per task, and lets you review the changes, commit them, or open a pull request.

Returns diffReturns pull request

How it works

Start a task from
web app, GitHub issue/PR mention, Slack, Linear, CLI, IDE
Runs in
cloud sandbox (OpenAI-hosted, one workspace per task)
Repo file it reads for setup
AGENTS.md
Pricing
Included in ChatGPT Free, Go, Plus, Pro, Business, Enterprise and Edu plans, with usage limits that vary by plan.
Pricing page

Links

Codex setup guides

Other cloud agents

Get the weekly agent stack update

New official MCP servers, spec changes and harness releases, checked against the source. One email a week, no fluff.

Reviewed Oct 7, 2026.