If by AI you mean LLMs and chatbot stacks? Not without a major breakthrough in either hardware or software architecture. In order to remain dubiously useful they need constant retraining as they contain no information between training start and the current date (there are ways to fiddle around this but it's basically all just appending new things to a prompt and re-running).

Diffusion algorithms? They're not the most inefficient thing. They're just pointless. If you want to see structured colour devoid of meaning press on your eyes.

I think nobody has demonstrated economic viability or particular usefulness. The technology exists, it'll probably cling on in some ways, but eventually they're gonna run out of investor money and someone is gonna be left holding the bag. The financials are all incestuous