Marcelo Brozovic scored Inter’s decisive goal after 37 minutes.
The victory was Inter’s seventh in the last eight games.
The match remained level on goal until Inter took the lead in the 37th minute, through Marcelo Brozovic on a Romelu Lukaku pass.
This was Torino’s ninth odd-goal loss this season. It was also Inter’s eleventh odd-goal victory.
The series is now finished. Torino finishes in ninth place, and Inter in third place.