head to head · open source
garak vs bla
garak has 9,825 GitHub stars, 1,434 forks, 429 open issues and last shipped 7 days ago. bla has 1,868 stars, 259 forks, 0 open issues and last shipped 2 days ago. garak leads on adoption by 426% (9,825 vs 1,868 stars). garak is written in Python under Apache-2.0; bla is written in JavaScript under MIT. garak has attracted 15% as many forks as stars, bla 14%. bla was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (llm-security), so they are genuine substitutes rather than adjacent tools.
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 | bla | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 1.9K |
| License | Apache-2.0 | MIT |
| Written in | Python | JavaScript |
| Last push | 2026-10-27 | 2026-11-01 |
| Forks | ⑂ 1.4K | ⑂ 259 |
| 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 bla if
- You want the bla feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and bla 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 bla
English · 简体中文 · 繁體中文 · 日本語 · 한국어 · Türkçe · Русский · Tiếng Việt · ไทย · Deutsch · Español · Français · Українська · Polski · Português (Brasil) · العربية · فارسی · Bahasa Indonesia · Italiano · Ελληνικά · മലയാളം · Roman Urdu · Română BLA: Blind LLM Agents Make reverse engineering bankrupt again. Point BLA at the build you ship. When an AI reverse engineering agent (REA) opens it, the analyzer hits resource budgets, follows decoys, and burns tokens — while your users still get the same runtime behavior. Website · Guides · Showcases · Disclaimer Quick start · Empirical results · Format coverage · Benchmark · FAQ…
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Frequently asked questions
Is garak or bla more popular?
garak has 9,825 GitHub stars and bla has 1,868. garak has the larger community by that measure.
Are garak and bla free?
Both are open source. garak is licensed under Apache-2.0 and bla under MIT. Neither carries a licence fee.
What is the difference between garak and bla?
garak is written in Python and bla in JavaScript. 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 bla?
Choose garak if you want the larger community (9,825 stars) or its Apache-2.0 licence terms. Choose bla if its feature set, stack or MIT licence fits better. Both are self-hostable.