What is the state of the art in AI photo enhancement?

I have a few face photos that I really like, but they’re a tiny bit blurry. The lighting is great but the issue is that they were taken a little far away, so some digital zoom is needed. They’re good enough, as you can see every important detail, but they’re not “sharp”.

I looked into several consumer apps, including paid ones. Some options that exist:

* Topaz AI

* Photoleap

* Facetune

But I couldn’t really compare nor do I know if better tech exists these days. I don’t mind running my own model.

What’s the state of the art?