The South Americans suffered their first defeat of the tournament on Monday as a 2-0 loss to the Netherlands condemned them to a second-place finish in Group B.
However, Sampaoli wants his side to take the positives as they look ahead to facing hosts Brazil in the last 16.
"I felt that our intensity and commitment was outstanding," he told FIFA.com. "Our players should have their heads held high as we've played well in the three games so far and we're now through to the round of 16."
Chile take on Brazil for a place in the quarter-finals on Saturday.