Elon Musk Announces X Open-Sources the For You Timeline Algorithm

elonmusk · x · 2026-08-14

Elon Musk shared the news that X has open-sourced the codebase for the For You timeline. The release includes the code affecting post visibility, and the company committed to publishing future algorithm updates to this repository so users can track changes via diffs.

The repository also details an example of a bidirectional follow algorithm change, which boosts original posts from mutually followed users by increasing the weight on the predicted probability of replies.

Related event: X Open-Sources Core Recommendation Algorithm, Developers Parse Weights with Grok(7 posts)→

Original post →

More from Companies & People

Companies & People channel →