xai-org/x-algorithm

This repository contains the core code that determines which posts a viewer sees in the For You feed on X. It combines in-network content (from accounts the viewer follows) with out-of-network content (discovered through ML-based retrieval and other mechanisms), filters content based on a variety of inputs, and ranks posts using a transformer model. Notable Updates October 26th, 2026 October 13th, 2026 October 8th, 2026 September 18th, 2026 August 14th, 2026 August 13th, 2026 Overview System Architecture Request Path Labeling Path Components How It Works Scoring and Ranking Filtering Experimen…