Deploying Semantic ID-based Generative Retrieval for Large-Scale Podcast Discovery at Spotify

ArXi:2603.17540v1 Announce Type: cross Podcast listening is often grounded in a set of favorite shows, while listener intent can evolve over time. This combination of stable preferences and changing intent motivates recommendation approaches that both familiarity and exploration. Traditional recommender systems typically emphasize long-term interaction patterns, and are less explicitly designed to incorporate rich contextual signals or flexible, intent-aware discovery objectives.