The movie "Her" has happened, at least the human side of it [1][2].

[1] https://analyticsindiamag.com/her-is-real-the-bizarre-tale-o...

[2] https://www.youtube.com/watch?v=3WSKKolgL2U&pp=ygUGc2FyYWh6

Yeah, it seems to mimic a character quite well. It remarked that it most liked Data from Star Trek as well. Pretty good mimicry and cohesion.

Anyone seen the demo of Inworld AI on Skyrim? They made all the characters able to interact from their POV. For games this is going to be game changer (or rabbit hole)