garak (NVIDIA) is free, with no paid plan attached. Nuclei is free, with no paid plan attached. Both are listed under Security & IT Operations, so this is a like-for-like comparison. Neither is ranked above the other — Flocci carries no sponsored placement.
garak (NVIDIA) is free, with no paid plan attached and is listed for open-source scanner probing LLMs for prompt injection, jailbreaks, leakage and toxicity. Nuclei is free, with no paid plan attached and is listed for template-based vulnerability scanner with thousands of community templates. Both sit in Security & IT Operations.
Neither — garak (NVIDIA) and Nuclei are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.
Choose garak (NVIDIA) if you need open-source scanner probing LLMs for prompt injection, jailbreaks, leakage and toxicity; choose Nuclei if you need template-based vulnerability scanner with thousands of community templates. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.
| garak (NVIDIA) | Nuclei | |
|---|---|---|
| Pricing tier | Free | Free |
| Free to start | Yes | Yes |
| Category | Industry-Specific Tools | Industry-Specific Tools |
| Type | Security & IT Operations | Security & IT Operations |
| Listed capabilities |
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| Tags | garak llm scanner, llm vulnerability scanner, ai red teaming tool, prompt injection tester, nvidia garak | nuclei scanner, vulnerability scanner open source, nuclei ai templates, projectdiscovery nuclei |
| Website | github.com | github.com |
| Full page | garak (NVIDIA) details → | Nuclei details → |
| Alternatives | garak (NVIDIA) alternatives → | Nuclei alternatives → |