You can see the pants near the dick are stretched to make it look maybe 20% longer. I’m sure it’s still a big dick and they put a lot of effort into making it believable. Her cock looks exactly like that every time she gets posted with that nice big vein and the same head (I really like cock so I know my dicks). An ai generated cock isn’t that far fetched but getting it consistent would be almost impossible.

I think it actually is a nice big cock but they photoshop it to look even bigger. Those photoshop detection websites ban you for uploading porn but if someone can actually get a result on one it would be interesting to see it.