Cropped yes, but it is the J-20, with what looks to be a light grey/blue paint job except on the tail around the rondel.
She's a good looking bird, and fearsome one at that... F-35 electronics (including IRST) while approaching F-22 flight performance, especially once the WS-15's arrive.
You wouldn't want to be caught napping in a Gen 4 - 4++ fighter with this baby
I think he meant the original photo's focus was the J-10S. This is a cropped image of the original.