Codex 5.6

Codex 5.6 is the kind of release where the search results are still mostly forum threads. The useful question is not 'what is it' but 'where can I actually use it today, and what changed'. This page answers both.

If you just want to run it rather than read about it, Begin gets you there in the browser: an AI build tool for shipping real software, not demos.

How to do it in three steps

1. Describe what you want in plain language.
2. Pick the settings that matter (quality, format, length).
3. Export or download the result.

Related: Begin.