Codex CLI is a TUI app, but Codex App is an actual desktop GUI app. If you actually look at the TFA, you'll see that all of the videos are of the desktop app.

> Codex is a rust TUI app, and it's available as open source. It has nothing to do with Electron.

I just updated Codex and looked inside the macOS app package. It is most definitely still an Electron app.

Codex is both a macOS app and a CLI/TUI app.

Their naming is not very clear. The codex desktop app is somewhat of a frontend for the codex cli.

By the look and feel of it I would guess it is written with Electron.

the codex desktop app is electron, as is claudes