Report on someone trying to run a game with an AI bot playing:
https://www.wargamer.com/dnd/ai-player
And the original reddit thread:
https://www.reddit.com/r/DnD/comments/vfsyc5/i_played_my_first_game_of_dd_with_an_ai_openai/icydveb/
Quite interesting stuff, though not sure how far one would get beyond the short session given.