Articles: OpenAI
Codex CLI vs Codex app vs IDE extension: which surface to use
What the Codex CLI, the Codex app in the ChatGPT desktop app and the IDE extension each do, and when to pick each.
Codex usage: five-hour and weekly limits, credits, /status
Codex usage draws on your ChatGPT plan, metered in five-hour and weekly windows; Pro has no five-hour cap. See /status.
What is Codex: OpenAI's coding agent, CLI, IDE and cloud
Codex is OpenAI's coding agent.