David Lee had 19 points and 14 rebounds, Brandon Rush added 14 points and the Warriors held off a late charge to beat the Jazz 83-80 on Monday night.
Stephen Curry had two points and six assists in his first game since March 11 while Klay Thompson scored 11 points for the Warriors (2-0).
Curry had surgery in April to repair his injured right ankle.
Golden State led 69-58 in the fourth quarter before Utah made a late run behind Kanter. The second-year center made a layup with 1:01 remaining that pulled the Jazz within 83-80.
Paul Millsap and Marvin Williams had 13 points apiece for Utah (0-1).
Mo Williams added 11 points and 6 assists in his first game back as the Jazz point guard. Al Jefferson scored just two points on 1 of 8 shooting.
The Jazz next host Oklahoma City Friday night at EnergySolutions Arena.