Ship code faster

Explain errors, review code, write tests and build features with Codex, with current documentation from the web.

Paste an error or attach the file. Get the cause, the fix and why it happened.

Ask for a review focused on bugs, security, speed or readability.

Multi-file projects with diffs, undo, preview and zip download.

With web access on, it checks the latest documentation and versions.

Generate unit tests, data scripts and automation, and run Python in the browser.

A Code GPT API is planned. Tell us what you would build with it.

Try it on your own work.

Free to start. No card needed.