It seems to me that companions AI will make this kind of game slower, not faster. If 10 characters are fighting and you control 4 of of them you have to wait for the others' turn. If you control only 1 of ten you have to wait much more and you are very limited in your own turn


Larian's Biggest Oversight, what to do about it, and My personal review of BG3 EA
"74.85% of you stood with the Tieflings, and 25.15% of you sided with Minthara. Good outweighs evil, it seems."