So essentially this is voice input to voice output? Can you change gender/age/accent? Does it track prosodic information? I've been waiting for something like this.
It's interesting to think about what complete diversity (i.e., no tendencies toward homogeneous conversation partners whatsoever among training data) would yield, given that it's trying to deliver whatever is most probable.
On the technical side having some sort of continuation or summarization loop on seems interesting to me as a product feature. It’s not enough to build a company off of though. But it would be nice.