#Phoenix

A major open-source update to the X algorithm repository reveals the inner workings of the next-generation 'Phoenix (xrex)' neural recommendation framework, Rust-based Home Mixer enhancements for author cold-start scoring and mutual-follow metrics, and low-latency visibility filtering subsystems.

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.