Musk Open-Sources X Algorithm: Grok Summarizes Interaction Weights
elonmusk · x · 2026-08-14
Elon Musk stated that open-sourcing the 𝕏 algorithm aims to actively seek criticism to improve the fairness and quality of recommendations.
According to a summary generated by Grok after reading all 370,523 lines of code, the algorithm does not assign a 'quality' score to posts. Instead, it guesses what actions a reader might take and multiplies each by a specific weight. The total sum determines the post's value, with the highest scores ranking at the top of the For You feed.
Production weights include: copy link/share (+20), reply on an original post by mutuals (+20), quote (+5), any reply (+5), share via DM (+5), and follow from post (+4).
Related event: X Open Sources 'For You' Algorithm(16 posts)→
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