I have not tried neovim, admittedly. Compared to Eclipse, IntelliJ, and now VScode, it's a completely different animal in terms of fluidity and smoothness.

Usually when I've attempted to explain it to others, people counter with things like "but my IDE already feels smooth", etc. I thought so too, until I tried Zed.

My only "complaint" was/is(?) the plugin ecosystem. It's a fairly new editor, so things might change in time.