2026-10-05 · America/Los_Angeles · 社区动态 · #16

Sona: one transformer replaced our 15+ candidate generators, pre-ranker and ranker in an A/B test [R]

Our production recommender at Yandex Music has 15+ candidate generators feeding pre-ranking and ranking models with hundreds of features. LLMs showed that one end-to-end model can take over work that used to be split across specialized components, and single-model generative recommenders have carried that recipe into production. We set out to explore what a single-model recommender could do in music. The result is Sona, one transformer that replaced all of it in an A/B test. It hasn't shipped to full traffic yet. The model reads up to 8,192 events. Full attention over that length is…

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