Adapting the Facebook Reels RecSys AI Model Based on User Feedback

Source: Meta Engineering

Overview

We’ve improved personalized video recommendations on Facebook Reels by moving beyond metrics such as likes and watch time and directly leveraging user feedback. Our new User True Interest Survey (UTIS) model now helps surface more niche, high‑quality content and boosts engagement, retention, and satisfaction.

(The remainder of the article continues with details on the model architecture, data collection, evaluation metrics, and future directions.)