Elon Musk says X will make its entire codebase open source after the company completes a security vulnerability review.
Musk said the platform will release the full codebase “with no exceptions” once the review is finished. The move is aimed at increasing transparency around how X works, especially how it ranks posts, recommends content, and handles moderation.
The code will not be released immediately.
Musk said X first needs to finish checking for security vulnerabilities. That step is important because publishing platform code could also expose system design details and possible weaknesses that attackers may try to exploit.
The company has not given a completion date for the review or a release schedule for the full codebase.
Musk also wants outside reviewers to verify that the public code matches the code actually running on X’s servers.
That would be a major step beyond simply uploading code to GitHub. It would let independent reviewers check whether the live service is using the same code that X makes public.
If implemented, the plan could make X one of the most transparent major social platforms from a technical standpoint.
X has already released parts of its recommendation system before.
The current GitHub repository for X’s “For You” feed says the algorithm retrieves, ranks, and filters posts from two major sources: in-network posts from accounts a user follows, called Thunder, and out-of-network posts from a global corpus, called Phoenix Retrieval. The system then uses Phoenix, a Grok-based transformer model, to predict engagement and rank posts.
However, previous disclosures were limited. Reports noted that earlier releases did not provide a complete view of the live platform, including areas such as training data and advertising systems.
The latest promise goes much further than the earlier algorithm disclosures.
Instead of releasing only parts of the recommendation system, Musk says X plans to open-source the entire platform codebase. That could include a much broader view of how the service operates, depending on what X ultimately chooses to publish.
Musk has also previously discussed releasing algorithm changes through GitHub every four weeks, with developer notes explaining what changed.
The open-source push also fits Musk’s wider strategy around xAI.
Last year, xAI released Grok 2.5 as an open model. The model weights are available on Hugging Face, where the repository says the download is around 500GB and requires eight GPUs with more than 40GB of memory each to run.
Still, releasing a social platform’s full codebase is a different challenge from releasing an AI model. X would need to balance transparency with security, privacy, abuse prevention, and operational risk.
For now, Musk’s announcement remains a plan rather than a completed release.
X has not confirmed when the security review will finish, when the full code will be published, or how third-party verification will work.
If X follows through, the move could give users, developers, and researchers a much clearer look at how one of the world’s largest social platforms operates. But until the code is actually published, the scope and impact of the announcement remain uncertain.
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