This course is being prepared and will be available very soon. Join the waiting list to be notified as soon as it launches and be among the first to take it.
At the end of this course, you will receive a certification validating your skills in Codex if you successfully complete all quizzes.

Codex doesn't just suggest code in a chat window. It opens your project, makes the changes and checks that they work. Hand it the task below to see how it goes about it.
Add an "Export to CSV" button to the invoices page.
In the course, you learn to phrase these requests, review what Codex proposes and correct it when it gets things wrong.
You don't have to switch tools. Codex runs in your editor and your terminal, and it can also move a task forward on its own while you do something else.
It reads the open file and edits the code right next to you, no copy-pasting.
It runs commands, installs what's needed and reads the error messages for you.
Give it a bug, a new page and a review: it works on all three at the same time.
It reviews a change before it goes live and flags what might break.
You decide what it can do on its own and what it has to ask you first.
Codex comes with ChatGPT's paid plans, with no extra tool to pay for.
Whether you're launching your first website or your tenth app, Codex takes on the repetitive work and you keep the decisions.
Copying code between a chat and your editor costs you hours every week. An agent that works directly in your project changes how you move forward.
You move your product forward at the pace of a small team, while keeping control over every change.



Start tonight, move forward whenever you can: the course picks up right where you left off.
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