Learn where to use OpenAI Codex and how to choose between ChatGPT, the IDE extension, and the Codex CLI.

In this five-minute Codex tutorial, you’ll learn:
- How the main Codex surfaces compare
- When to use Codex in ChatGPT
- When the IDE extension offers the fastest workflow
- When the CLI provides more control and repeatability
- How access, plans, included usage, credits, and API keys fit together
- How to move naturally between ChatGPT, your editor, and the terminal
- Why reviewing and verifying AI-generated work still matters

A simple way to remember the choices:
- ChatGPT: the strategy desk
- IDE: the workbench
- CLI: the power tool

Ready to build applications with Codex? Join the one-day Codex Workshop and receive 40% off by using the discount code CHUCK40:

https://www.eventbrite.co.uk/e/build-ai-agents-with-openai-codex-tickets-1992048666185?aff=chuck
If this guide helped, please like the video, subscribe, and share it with another developer exploring AI-assisted software development.


Chapters
00:00 Where should you use Codex?
00:31 One Codex agent across multiple surfaces
01:09 Access and setup
01:53 Plans, usage, credits, and API keys
02:35 ChatGPT vs IDE vs CLI
03:17 Strategy desk, workbench, and power tool
03:31 Moving between Codex surfaces
04:09 A simple path for getting started
04:31 Keep the human in the loop
04:54 Codex Workshop



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