head to head · open source
garak vs beelzebub
garak has 9,308 GitHub stars, 1,294 forks, 429 open issues and last shipped 4 days ago. beelzebub has 2,180 stars, 209 forks, 5 open issues and last shipped 6 days ago. garak leads on adoption by 327% (9,308 vs 2,180 stars). garak is written in Python under Apache-2.0; beelzebub is written in Go under GPL-3.0. garak has attracted 14% as many forks as stars, beelzebub 10%. garak 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 | ★ 9.3K | ★ 2.2K |
| License | Apache-2.0 | GPL-3.0 |
| Written in | Python | Go |
| Last push | 2026-09-16 | 2026-09-14 |
| Forks | ⑂ 1.3K | ⑂ 209 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick garak if
- You weight community size — 9.3K 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 is a free, Apache 2.0 command line vulnerability scanner for large language models that probes generative AI systems for hallucination, data leakage, prompt injection, misinformation, toxicity generation, and jailbreaks, and it is aimed at security engineers, red teamers, and AI developers who need to test the models they ship.
read the full garak overview →
About beelzebub
Beelzebub is an open source deception runtime framework written in Go and released under GPL 3.0. It operates in the cybersecurity and AI security ecosystem, where teams need controlled systems that attract and record activity aimed at decoy services. The project is a configurable runtime for honeypots, decoys, and agent facing bait tools, with documentation at docs.beelzebub.ai.
read the full beelzebub overview →
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Frequently asked questions
Is garak or beelzebub more popular?
garak has 9,308 GitHub stars and beelzebub has 2,180. 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 (9,308 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.