Tenable vs Nucleus Security: Vulnerability Management Comparison (2026)

An independent side-by-side comparison of Tenable and Nucleus Security for vulnerability management buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask vulnerability management questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Tenable leads overall67% cited vs Nucleus Security 0% across 60 probes.
ChatGPT
TenableLeads
6 / 6 probes
100%
Excellent
Nucleus Security
0 / 6 probes
0%
Invisible
Perplexity
TenableLeads
6 / 6 probes
100%
Excellent
Nucleus Security
0 / 6 probes
0%
Invisible
Gemini
TenableLeads
2 / 6 probes
33%
Good
Nucleus Security
0 / 6 probes
0%
Invisible
Claude
TenableLeads
6 / 6 probes
100%
Excellent
Nucleus Security
0 / 6 probes
0%
Invisible
Copilot
Tenable
0 / 6 probes
0%
Invisible
Nucleus Security
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Tenable
Starting price
$3,700/1 Year
Free tier
Yes
tenable.com
Nucleus Security
Starting price
Free tier
nucleussec.com

Key Features

Tenable
  • Cloud-based vulnerability management
  • Track assets with unmatched accuracy
  • Includes web app scanning
  • AI-powered exposure management
Nucleus Security
  • Scale and automate vulnerability management
  • Centralized vulnerability intelligence
  • AI-powered threat intelligence
  • 200+ integrations
  • Asset data unification
  • Compliance framework alignment
  • Automated remediation workflows
  • Natural language interaction with data

When to choose Tenable

Choose Tenable if your team prioritizes its strengths over Nucleus Security's. Full guidance populates as Tenable's feature data is indexed.

When to choose Nucleus Security

Choose Nucleus Security if your team prioritizes its strengths over Tenable's. Full guidance populates as Nucleus Security's feature data is indexed.

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