head to head · open source
garak vs xalgorix
garak has 9,850 GitHub stars, 1,439 forks, 429 open issues and last shipped 3 days ago. xalgorix has 1,295 stars, 249 forks, 2 open issues and last shipped yesterday. garak leads on adoption by 661% (9,850 vs 1,295 stars). garak is written in Python under Apache-2.0; xalgorix is written in Go under Apache-2.0. garak has attracted 15% as many forks as stars, xalgorix 19%. xalgorix was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| garak | xalgorix | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 1.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-04 |
| Forks | ⑂ 1.4K | ⑂ 249 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick garak if
- You weight community size — 9.8K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick xalgorix if
- You want the xalgorix feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and xalgorix fits your workflow better
About garak
garak, LLM vulnerability scanner Generative AI Red teaming & Assessment Kit garak checks if an LLM can be made to fail in a way we don't want. garak probes for hallucination, data leakage, prompt injection, misinformation, toxicity generation, jailbreaks, and many other weaknesses. If you know nmap or msf / Metasploit Framework, garak does somewhat similar things to them, but for LLMs. garak focuses on ways of making an LLM or dialog system fail. It combines static, dynamic, and adaptive probes to explore this. garak 's a free tool. We love developing it and are always interested in adding functionality to…
read the full garak overview →
About xalgorix
Xalgorix — Open source AI pentester that proves vulnerabilities Most scanners detect. Xalgorix proves. An autonomous LLM agent works a full pentest methodology, then an independent verifier re exploits every finding before it's reported — so you get proof, not a pile of maybes to triage. Self hosted, private, and bring your own LLM. Built in Go + TypeScript. 🚀 Quick Start · 💡 Why Xalgorix · ✨ Features · 🎯 Use Cases · ☁️ Hosted Cloud · 📖 Docs 📸 Screenshots 🖥️ Self hosted dashboard — runs locally on 127.0.0.1:9137 ☁️ Hosted cloud dashboard — the fully managed version at www.xalgorix.com 🤝 Sponsors Thanks to…
read the full xalgorix overview →
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Frequently asked questions
Is garak or xalgorix more popular?
garak has 9,850 GitHub stars and xalgorix has 1,295. garak has the larger community by that measure.
Are garak and xalgorix free?
Both are open source. garak is licensed under Apache-2.0 and xalgorix under Apache-2.0. Neither carries a licence fee.
What is the difference between garak and xalgorix?
garak is written in Python and xalgorix in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, garak or xalgorix?
Choose garak if you want the larger community (9,850 stars) or its Apache-2.0 licence terms. Choose xalgorix if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.