I think they are nearly the same BUT Sasuke has to be stronger considering Naruto beats Nagato and he doesn't think he will be strong enough to beat Sasuke and needs to take control of the kyuubi
i think they are of nearly same caliber, but since naruto killed nagato, and sauske is nearly same of power of naruto, sauske can be stronger.
in my opinion, no he isn't stronger because, Pain has more techniques than sasuke and the rinnegan is stronger then sasukes mangekyou sharingan.. nagato has the ability to resurrect people who recently died...so even if sasuke barely defeated paths of pain naraka path can resurrect all other paths (using the outer path)and even if naraka path is dead nagato himself will use the jutsu to bring him back (along with the rest of pains).. This way sasuke should prove no match for nagato because the rinnegan is more of a legend and is rarer than mangekyou sharingan...but don't ask me about the eternal sharingan which sasuke will later posess...when we know more about EMS i will come to improve this answer... note:As the story progresses sasuke will be more and more stronger..this is based on after the "pain's invasion arc".....
now one really knows. But its most likely that nagato is stronger
if sauske battled nagato-pein sauske would win because of his mangeykyou sharingan also if naruto can beat nagato than sauske can beat nagato.
Sasuke
Sasuke is more stronger than Shikamura but he is smarter
Naruto is indeed stronger than sasuke
sasuke is way stronger than kankuro
Naruto is stronger then Sasuke because in episode 240 until 254 he will obtain kyubi mode that is stronger than Sasuke's susano
Kakashi clearly because Kakashi Is His master and he taught him The Chidori and The Sharingan and Orochimaru tought Sasuke some things but Kakashi is stronger than Orochimaru before he died that's why Kakashi IS stronger than Sasuke
Rock Lee is stronger than Sasuke for a limited amount of time in the chuunin exams. After that, Sasuke is always much stronger.
Sasuke
Kakashi -Killed by Pain(Nagato) Hinata -Killed by Pain(Nagato) Garaiya -Killed by Pain(Nagato) Asuma -Killed by Hidan Orochimaru-Killed by Sasuke Sasori -Killed by Sakura/Lady Chiyo Danzo -Killed by Sasuke Pain(Nagato)-Used an Ultimae Justu to revive everyone killed by him at the cost of his own life. Please reommend me for putting so many in also wall me if you think I should become a supervisor...