Ampcus Agentic AI vs Legion: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Ampcus Agentic AI is a commercial penetration testing tool by Ampcus. Legion is a free penetration testing tool. Compare features, ratings, integrations, and community reviews side by side to find the best penetration testing fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Mid-market and enterprise security teams drowning in manual penetration testing backlogs will see immediate ROI from Ampcus Agentic AI because it actually chains exploits end-to-end without stopping for human validation at every step. The platform covers the full ID.RA through RS.MI cycle, from risk assessment through incident mitigation, and generates audit-ready evidence that cuts your reporting time by weeks. Skip this if your organization treats pentest findings as quarterly checkbox exercises rather than continuous remediation priorities, or if you need tight human approval gates before any exploit execution touches production.
Penetration testers running internal security assessments on smaller networks will benefit from Legion's automated reconnaissance pipeline, which compresses hours of manual scanning into minutes without licensing friction. The 1,052 GitHub stars and active open source community signal production-grade stability for teams already comfortable maintaining their own tools. Skip Legion if your organization needs commercial support, reporting that maps to compliance frameworks, or scanning at scale across hundreds of hosts; you'll spend more time patching gaps than testing.
