well I was curious to , beacuse my theory was that wopmen get more because we are the ones that wind up in depends but the answer kinda proves me wrong! heres the answer I got

Kami,
I think, like in straight porn, it depends on the talent. A guy like Chad Hunt is one of the highest paid gay actors, and he's a top only. He averages $7,000 a scene. Carlos Moralis is also in that upper pay range, and he's a bottom only.

I don't think there's a top / bottom pay split, it just depends on the performer