>>61835875>So which one of these sounds the most realistic?IA or GUMI imo
>Are there different versions of Miku that people use or just different Vocaloid programs?There are a couple other voicebanks Miku's got, they're appends though.
There are well over 30 different kinds of vocaloid voicebanks aside from Miku from all different kinds of companies but Miku is obviously the best known.