the estimates that I've seen are putting the initial price for "Flagship" at $25-30 - and that does include ESPN+.
from Variety:
ESPN’s Flagship direct-to-consumer service, expected to debut in the fall of 2025, will provide all the linear TV programming that is currently available on the sports giant’s networks — as well as the additional events and content on ESPN+. ESPN Flagship also is expected to be closely integrated with ESPN Fantasy and provide betting options within its app, as well as statistics, merchandising and commerce — as well as AI to help create a personalized version of “SportsCenter” for users.
and this from The Athletic:
ESPN will — likely in August — begin its own all-you-can-eat, direct-to-consumer service — code-named “Flagship” — that is currently expected to be priced in the $25-30 range.
so, if you're a cord-cutter or planning to cut the cord - but you still want some sports - you could sign up for Flagship to get all of the ESPN and ESPN+ games at a (potentially) reasonable starting price. then get your other entertainment through Netflix, Peacock, etc - and still wind up paying less than you were for cable. at least that's the idea.
(as far as an AI to create a personalized version of SportsCenter........not my bag, but I suppose somebody might get a kick out of it....)