You may check these videos by Oleg Kuvaev.
100% generated using AI.
Everything: text, music, characters, voices, editing -- all done via prompts, using multiple engines (I think he mentioned about a dozen services involved).
I would not call it "high art", but it's definitely not a slop, it's an artist skillfully using AI as a tool.
https://youtu.be/A2H62x_-k5Q?si=EHq5Y4KCzBfo0tfm
https://youtu.be/rzCpT_S536c?si=pxiDY4TPhF_YLfRc