Netflix’s GenRec LLM Ranker Beats Legacy System with Minimal Features
GenRec post‑trains Netflix’s own foundation LLM on user histories and item text, then adds a catalog‑aware scoring head. In a large‑scale A/B test it outperformed the incumbent ranker on short‑ and long‑term metrics while using a fraction of the labeled data and hand‑engineered features, signaling an LLM‑first future for recommendations.