>>8179102A few anons already said it, but Prisma is just shit-ass filters. PortraitAI was using AI to construct faces from parts of actual paintings. They're not even close to the same thing.
Also, just as a side note, I have never seen a Prisma pic that looked pleasing as a whole. At best, it approached "interesting," but almost universally, it produced something cheap and gimmicky looking and worse than the original photo.