Elon Musk Makes Part of X Algorithm Open Source, Says It ‘Sucks’
- by Gizmodo
- Jan 21, 2026
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[Sketchiest Guy in the World Voice] Hey kid, wanna see the X algorithm? It’s right over here.
No really, Elon Musk appears to be partly making good on his promise about a week ago to open up the X recommendations algorithm for public perusal and input, theoretically making the main feed on his social media platform open source. He previously promised he would do this back in 2022, and sort of did by publishing one snapshot of the code shortly afterward, but that repository wasn’t kept sufficiently up to date to make the X platform qualify as most people’s idea of an open source product.
This release, then, is a promising step in the direction of X truly being an open source product. The next step would be to update this code repository in four weeks, as Musk promised he would do.
Even then, this release wouldn’t mean the open sourcing of X can be marked “promise kept.” In his January 10 X post promising this release, Musk said he would release “all code used to determine what organic and advertising posts are recommended to users.” From where I’m sitting, that has still not even come close to happening.
That’s because on November 26 of last year, the accounts for Musk and Grok posted that Grok is used to sort the posts on everyone’s Following feed by default, although it can be toggled from “popular” to “recent” to make it chronological. That algorithm appears to be missing. The Following and For You feeds on X also have ads, which Musk has indicated are served via an algorithm that he said he would make public. So by my count there should be at least two more releases, possibly more.
Gizmodo reached out to X for information about whether or not the advertising and Following feed code has already been released, or if it will be released at some point in the future. We will update if we hear back.
But anyway, here we are with a fresh dump of code. The first thing you should know is that it “sucks,” according to Musk.
Yes, the algorithm sucks
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