GTA 6 Confirmed Playable on Xbox One via Cloud, but Limited to Consoles
Rockstar's pre-load notes reveal Xbox Cloud Gaming support for GTA 6 on Xbox One at Series S settings, while a report suggests PC and mobile streaming will be excluded.

Rockstar Games has confirmed that Grand Theft Auto VI will be accessible on Xbox One consoles through Xbox Cloud Gaming, according to the developer's official pre-load notes. The streamed version will utilize graphics settings equivalent to the Xbox Series S, providing a path for players who have not upgraded to current-generation hardware. The game targets 30 frames per second on current-generation consoles.
Microsoft outlined three distinct methods to play the title on Xbox hardware, reinforcing the cloud option. Rockstar's notes also mention full support for Remote Play on both PlayStation and Xbox consoles. As with any cloud streaming service, the company cautioned that connection speeds and technical factors could influence performance compared to a local installation.
However, a report from The Verge's Tom Warren indicates a significant restriction on where streaming is permitted. Warren stated that the cloud version appears to be limited exclusively to Xbox consoles, meaning the title would not be playable via cloud streaming on PC or mobile devices. He noted this would be an exception to the standard Xbox Cloud Gaming practice of supporting phones, PCs, and web browsers.
Players utilizing the cloud option will be subject to Xbox's Cloud Gaming time limits, which vary based on a user's Game Pass subscription tier. Microsoft is also currently testing a free, ad-supported cloud gaming tier. The game is scheduled for release on November 19.
Source: Pure Xbox