Will GTA 6 Online be better than GTA Online?

Probably yes in some ways, but not in every way.

If Rockstar delivers GTA 6 Online as a new-generation follow-up, it will likely feel better in areas like visuals, map design, AI behavior, and the overall technical foundation. But GTA Online already has years of content behind it — missions, businesses, vehicles, heists, and player progression — so it may still have the edge in sheer amount of stuff to do for quite a while.

So the most likely comparison is:

• Better at launch for freshness and technical polish: GTA 6 Online
• Better for raw content volume: GTA Online

The biggest unknown is how Rockstar handles progression, transfers, pricing, and long-term updates. If GTA 6 Online is supported well and grows quickly, it could become the better experience overall. If not, GTA Online may remain more content-rich for longer.