# X Algorithm

> Updated 2026-09-03 · type: tool · category: social-community · status: active · rev 1

Official source for the X For You recommendation stack: candidate retrieval, engagement prediction, diversity-aware ranking, content/account labeling,…

- Open source: yes (Apache-2.0)
- Self-hostable: yes
- Pricing model: free
- Best for: Developers, researchers, and the public seeking to understand, audit, and improve how X's For You feed algorithm operates.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/x-algorithm/
- **Source:** [github · github.com/xai-org](https://github.com/xai-org/x-algorithm)
- **Tags:** social-community, social-microblogging-communities
- **Repository:** https://github.com/xai-org/x-algorithm

## Is X Algorithm open source?

Yes — Apache-2.0-licensed.

## How much does X Algorithm cost?

It is free to use.

## Can I self-host X Algorithm?

Yes — it can be self-hosted.


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Official source for the X For You recommendation stack: candidate retrieval, engagement prediction, diversity-aware ranking, content/account labeling, visibility filtering, ads blending, and supporting Rust/JAX services; ~31.4k stars; valuable reference implementation but not a standalone deployable social platform and some anti-abuse rules are intentionally withheld