>>89353295My man, its way simpler than that.
1) Look at the coloring style. All AIs use the same coloring pattern.
2) Look at the eyes and eyelashes. AI struggles to get them right, especially pointy bits of eyelashes. They are often non-symmetrical.
3) Look for the sus shapes and outlines, like this "flower".
there are more tells but this should be enough in 99% of cases. That said, AI is getting really good at fooling people nowadays.