On July 27, 2013, he signed a two-year contract with Anadolu Efes. In January 2014, he hit a long-range buzzer beater in the last second of the game to defeat Olimpia Milano by a score of 61–60. In his first season with the team, he averaged 8.4 points and 3.7 assists, over 23 EuroLeague games. In the summer of 2014, Dušan Ivković was appointed as Efes' head coach, and Planinić lost his place in the team. Despite that, he was still under contract for the 2014–15 season.