Nucleus Security vs Tenable: Vulnerability Management Comparison (2026)

An independent side-by-side comparison of Nucleus Security and Tenable 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
Nucleus Security
0 / 6 probes
0%
Invisible
TenableLeads
6 / 6 probes
100%
Excellent
Perplexity
Nucleus Security
0 / 6 probes
0%
Invisible
TenableLeads
6 / 6 probes
100%
Excellent
Gemini
Nucleus Security
0 / 6 probes
0%
Invisible
TenableLeads
2 / 6 probes
33%
Good
Claude
Nucleus Security
0 / 6 probes
0%
Invisible
TenableLeads
6 / 6 probes
100%
Excellent
Copilot
Nucleus Security
0 / 6 probes
0%
Invisible
Tenable
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

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

Key Features

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
Tenable
  • Cloud-based vulnerability management
  • Track assets with unmatched accuracy
  • Includes web app scanning
  • AI-powered exposure management

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.

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.

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