Social Network
The difference between the three is how many ads the platform will display for members. PremiumBasic lists "full ads" in ForYoufeed, while PremiumStandard says there are "half ads" in ForYoufeed. PremiumPlus means there are no ads in "ForYou".
Given that the "ForYou" feed was specifically mentioned, it sounds like all levels will continue to include ads in replies, with revenue from the ads used to pay content creators on the social network.
Currently, a premium subscription is priced at $8 per month or $84 per year, and there's no word yet on how much the new tiers will cost. There are also no other details or rollout information on the differences between the plans.