Open-Sourcing X's Recommendation Algorithm: Phoenix RecSys Engine & Visibility Filtering Breakdown
xAI has open-sourced the latest codebase for the X recommendation algorithm. This release details the Rust-based 'Phoenix' RecSys engine, the Home Mixer pipeline, and the comprehensive visibility filtering rules governing content moderation.
High Impact5minbc8e5f0Aug 31, 2026 TwitterAlgorithmxAIPhoenixRecSys