I think Naruto has surpassed Minato.
Naruto:-
1.Kyubi mode
2.Sage mode
3.Rasengan,Rasen shuriken, Odoma rasengan, Minirasengan etc.xd
4.Huge chakra reserves apart from kyubi
Minato:-
1.FTG (faster than naruto)
2.Rasengan
3.More experienced than naruto
4.Space time techniques (like when he sent kyubi's attack somewhere else)
Naruto:-
1.Kyubi mode
2.Sage mode
3.Rasengan,Rasen shuriken, Odoma rasengan, Minirasengan etc.xd
4.Huge chakra reserves apart from kyubi
Minato:-
1.FTG (faster than naruto)
2.Rasengan
3.More experienced than naruto
4.Space time techniques (like when he sent kyubi's attack somewhere else)