PentestGPT is free, with no paid plan attached. Strix 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.
PentestGPT is free, with no paid plan attached and is listed for agentic framework automating penetration-testing and CTF tasks with LLMs. Strix is free, with no paid plan attached and is listed for open-source autonomous agents that probe apps and validate vulnerabilities with proof-of-concept exploits. Both sit in Security & IT Operations.
Neither — PentestGPT and Strix are both free, so the choice comes down to capability rather than cost. Both entries list what they uniquely do above.
Choose PentestGPT if you need agentic framework automating penetration-testing and CTF tasks with LLMs; choose Strix if you need open-source autonomous agents that probe apps and validate vulnerabilities with proof-of-concept exploits. Flocci AI Tools does not rank one above the other — it shows both feature sets side by side and lets the requirement decide.
| PentestGPT | Strix | |
|---|---|---|
| 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 | pentestgpt, llm penetration testing, ctf ai agent, ai hacking assistant open source | strix ai pentest, ai penetration testing open source, autonomous hacker agent, find vulnerabilities ai, strix security |
| Website | github.com | github.com |
| Full page | PentestGPT details → | Strix details → |
| Alternatives | PentestGPT alternatives → | Strix alternatives → |