Williams was named a Western Conference reserve for the 2025 NBA All-Star Game. The all-star honor is Williams' first. He was named an all-star after averaging 21.1 points, 5.6 rebounds and 5.2 assists through 45 games this season. Williams also had helped lead the Thunder to a 37-9 record, which is the best in the Western Conference.

Williams amassed 26 points (12-26 FG, 2-6 3Pt, 0-2 FT), seven rebounds, two assists, one block and two steals over 34 minutes during Wednesday's 116-109 loss to the Warriors. Williams joined Shai Gilgeous-Alexander and Isaiah Joe as the only Thunder players to score in double figures in Wednesday's loss to the Warriors for Oklahoma City,