Rockstar: Second GTA VI trailer was recorded in-game on a PlayStation 5
The second trailer for Grand Theft Auto VI was recorded entirely in-game on a regular PlayStation 5. Rockstar Games points this out again; at the end of the trailer it was already mentioned that it was recorded on a PS5.

Rockstar Games says on social media that the trailer was "recorded entirely in-game on a PlayStation 5." According to the developer, the trailer also consists of "equal parts" gameplay footage and cutscenes. There is no pre-rendered CGI footage in the trailer, according to the developer's post.