I think they have some kinks to work out with the AI before we can really get a good feel for the length of encounters. As it stands now, you can often be painfully stuck in long encounters with AI that can't decide what to do, or you can also toss out a few barrels and solve them like this...
https://www.reddit.com/r/BaldursGate3/comments/j9vwjc/astarion_sends_his_regards/
