The Blaugrana knocked out Carlo Ancelotti’s men at the quarter-final stage but Thuram was impressed with his compatriots.
"Les Parisiens played very well in Barcelona. PSG played with authority,” he told reporters.
Thuram said he was also impressed with the team’s coach Carlo Ancelotti.
“We see now that PSG have a great coach. Their strategic game was fantastic. We observed the good performance of players is sometimes critical in small matches in a championship," he said.
“When your high performance is seen in front of a high-level team we see how good a team is. PSG are a good team.”