head to head · open source
garak vs beelzebub
garak has 9,850 GitHub stars, 1,439 forks, 429 open issues and last shipped 3 days ago. beelzebub has 2,230 stars, 220 forks, 5 open issues and last shipped 2 days ago. garak leads on adoption by 342% (9,850 vs 2,230 stars). garak is written in Python under Apache-2.0; beelzebub is written in Go under GPL-3.0. garak has attracted 15% as many forks as stars, beelzebub 10%. beelzebub 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 | beelzebub | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 2.2K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-03 |
| Forks | ⑂ 1.4K | ⑂ 220 |
| 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 beelzebub if
- You want the beelzebub feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches Go
- You evaluated both and beelzebub 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 beelzebub
Beelzebub Open source deception framework. Deploy realistic decoys. Observe attacker behavior. Turn interactions into security evidence. Explore Beelzebub Platform · Documentation · Quick start Beelzebub gives security teams a configurable way to study activity directed at decoy services. Define the environment an attacker encounters, choose how it responds, and capture the interaction for investigation. Run the framework independently or connect it to Beelzebub Platform. Why Beelzebub Deploy decoys that fit your environment. Define services, routes, and response rules in YAML. Use static handlers for…
read the full beelzebub overview →
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Frequently asked questions
Is garak or beelzebub more popular?
garak has 9,850 GitHub stars and beelzebub has 2,230. garak has the larger community by that measure.
Are garak and beelzebub free?
Both are open source. garak is licensed under Apache-2.0 and beelzebub under GPL-3.0. Neither carries a licence fee.
What is the difference between garak and beelzebub?
garak is written in Python and beelzebub 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 beelzebub?
Choose garak if you want the larger community (9,850 stars) or its Apache-2.0 licence terms. Choose beelzebub if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.