I love clipse but it's not close.
First off, you RARELY hear 3stacks or Big Boi talking about the same cars, clothes, money shit in every song.
Secondly, 3stacks is probably the greatest rapper alive and maybe the best ever. He's incredibly underrated and i think it's because he's one of the only dudes out there not constantly claiming how great he is (jay z, kanye, wayne). 3 stacks MURDERS everything he is on and no one can ever compete with him on a given track.
Third, their versatility is unlike ANY other rap group. Artists like Cudi, BOB, and Drake who wish to put singing on their hiphop albums can only hope to sniff what Andre did on the love below.
Lastly, Big Boi no doubt is the weaker link of the group, but he nonetheless keeps up and adds an incredible amount of personality and cool that makes Outkast so unique.
All in all, outkast, when its all said and done, may be the greatest hip hop group of all time, and one of the greatest musical groups of all time, regardless of mainstream popularity and/or the amount of music they are putting out right now. They are timeless.
LONG LIVE OUTKAST!!!