[throwaway14356]

its fast and looks absolutely stunning but if you've done enough hand work you can still spot flaws (that are easy to correct by hand). The easiest to see is probably the use of black in parts of the face that are not dark shadows. Its slightly under-colored, it had to draw the line some place. It looks like black smudge's left and right of the nose. Then again, few/no one would notice without looking for it.

edit: if a human made these this comment would not exist. It makes A fun angle of AI, it can take criticism and do useful things with it. Many humans fail that challange.