head to head · open source
garak vs pentest-ai-agents
garak has 9,850 GitHub stars, 1,439 forks, 429 open issues and last shipped 3 days ago. pentest-ai-agents has 2,408 stars, 457 forks, 1 open issues and last shipped 1 months ago. garak leads on adoption by 309% (9,850 vs 2,408 stars). garak is written in Python under Apache-2.0; pentest-ai-agents is written in Shell under MIT. garak has attracted 15% as many forks as stars, pentest-ai-agents 19%. 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 | pentest-ai-agents | |
|---|---|---|
| GitHub stars | ★ 9.8K | ★ 2.4K |
| License | Apache-2.0 | MIT |
| Written in | Python | Shell |
| Last push | 2026-11-02 | 2026-10-06 |
| Forks | ⑂ 1.4K | ⑂ 457 |
| 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 pentest-ai-agents if
- You want the pentest-ai-agents feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Shell
- You evaluated both and pentest-ai-agents 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 pentest-ai-agents
pentest ai agents 50 Claude Code subagents for penetration testing. Quick Start Cheatsheet Coverage Agents Examples Table of Contents What's New in v3.3 What's New in v3.2 Agent Map What's New in v3.1 Quick Start Cheatsheet Coverage Agents Tier 1 vs Tier 2 Examples Running Tools in a Container Findings Database Token Optimization Local Models Documentation MCP Server Prerequisites Legal License pentest ai agents is a collection of 50 Claude Code subagents that turn Claude into an offensive security research assistant. Each agent carries deep domain knowledge in a specific area: recon, web, Active Directory…
read the full pentest-ai-agents overview →
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Frequently asked questions
Is garak or pentest-ai-agents more popular?
garak has 9,850 GitHub stars and pentest-ai-agents has 2,408. garak has the larger community by that measure.
Are garak and pentest-ai-agents free?
Both are open source. garak is licensed under Apache-2.0 and pentest-ai-agents under MIT. Neither carries a licence fee.
What is the difference between garak and pentest-ai-agents?
garak is written in Python and pentest-ai-agents in Shell. 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 pentest-ai-agents?
Choose garak if you want the larger community (9,850 stars) or its Apache-2.0 licence terms. Choose pentest-ai-agents if its feature set, stack or MIT licence fits better. Both are self-hostable.