I prefer the general aesthetic of a in terms of color and wide banners. B is better with the filters on the right like everyone else is saying, along with tags visible in B. I’m going to vote combined so we can get the coloration of a with the layout of b
I believe they alternate between the two projects they are developing. The renders are always great so I get the sense they are a bit of a perfectionist in terms of getting lighting and everything just right for each scene