Kevin Durant added 25 points, six rebounds and six assists, while Draymond Green grabbed 17 rebounds to go with 10 points and six assists. The Warriors won an NBA-record 16th consecutive home postseason game, surpassing the Chicago Bulls' mark of 15 in a row from April 27, 1990-May 21, 1991.
Harden had 20 points and nine assists, while Chris Paul added 13 points and 10 rebounds as they combined to shoot just 12 for 32.
Game 4 is Tuesday night at Oracle Arena.