This FAQ confuses me but if I understand right it sounds like currently your online play on ps consoles is limited to other ps users? Cross-save is active but not cross-play, but they'll add options for it in the future, is what this reads like to me.
Genshin Impact is an open-world action RPG. In the game, set forth on a journey across a fantasy world called Teyvat. In this vast world, you can explore seven nations, meet a diverse cast of characters with unique personalities and abilities, and fight powerful enemies together with them, all...
genshin.mihoyo.com
Q1: Will Co-Op Mode on PlayStation be any different after linking my account?
A1: In the future, we will add a Co-Op Mode control function to Genshin Impact for PlayStation. Travelers can use it to select Co-Op Mode preferences. When this function is disabled, Travelers on PlayStation and other platforms can play in Co-Op Mode together. When this function is enabled:
1) Players can only enter Co-Op Mode with other players on PlayStation.
2) On the Co-Op Mode screen, players on PlayStation and on other platforms will be unable to see each other's Co-Op Team information.
3) During Co-Op matching, a platform restriction rule will be added. If the host is a PlayStation user, only users on the same platform can join the team. Players on PlayStation will also be unable to join Co-Op teams where the host is playing on another platform.
4) Friends from other platforms will be hidden in the Friends List. However, hidden friends will still be counted in the list.
Edit: I always thought ps users could already play with pc users (from complaints of people on ps4 dealing with long loading times and thus getting locked out of dungeon fights) so I'm super confused here lol.