Greenbone OpenVAS vs Nuclei

Greenbone OpenVAS and Nuclei are both open source vulnerability scanner solutions. Greenbone OpenVAS the most widely used open-source vulnerability scanner with 100,000+ network vulnerability tests, while Nuclei fast, template-based open-source vulnerability scanner with 8,000+ community-contributed detection templates. The best choice depends on your organization's size, technical requirements, and budget.

Updated Feb 2026
How we compare:This comparison is based on official documentation, public pricing, community discussions, and aggregated user feedback, not hands-on testing by our team. We organize what real users and practitioners are saying across the web.

The Bottom Line

Choose Greenbone OpenVAS if completely free with no licensing costs is your priority and security teams wanting a free, open-source vulnerability scanner with no licensing costs and full customization control. Choose Nuclei if extremely fast scanning with Go-based concurrent execution matters most and security teams and researchers wanting a fast, customizable, template-driven vulnerability scanner for web and infrastructure testing.

Choose Greenbone OpenVAS if:

  • You value completely free with no licensing costs
  • You value open-source transparency allows code audit and customization
  • You value large community with active development and NVT updates
  • You want to avoid requires security expertise to interpret results and write custom templates
  • You want to avoid no built-in vulnerability management workflow or dashboard

Choose Nuclei if:

  • You value extremely fast scanning with Go-based concurrent execution
  • You value highly customizable with easy-to-write YAML templates
  • You value massive community-driven template library covering latest CVEs
  • You want to avoid scanning speed significantly slower than commercial alternatives
  • You want to avoid web interface is functional but dated compared to Tenable or Qualys

Feature Comparison

FeatureGreenbone OpenVASNuclei
PricingFree (open source) / Greenbone Enterprise appliances from $5,000/yearFree (open source) / ProjectDiscovery Cloud Platform from $100/month
Pricing ModelOpen source with commercial appliance optionsOpen source with optional cloud platform
Open SourceYesYes
DeploymentSelf-HostedCloud, Self-Hosted
Best ForSecurity teams wanting a free, open-source vulnerability scanner with no licensing costs and full customization controlSecurity teams and researchers wanting a fast, customizable, template-driven vulnerability scanner for web and infrastructure testing
100,000+ network vulnerability tests ...SupportedNot available
Authenticated and unauthenticated sca...SupportedNot available
CVE, CPE, and CVSS-based vulnerabilit...SupportedNot available