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 vendor is cited by major AI engines when real buyers ask vulnerability management questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days. Methodology.

ChatGPT
Tenable: tracking…
Nucleus Security: tracking…
Perplexity
Tenable: tracking…
Nucleus Security: tracking…
Gemini
Tenable: tracking…
Nucleus Security: tracking…
Claude
Tenable: tracking…
Nucleus Security: tracking…

Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.

Pricing

Tenable
Starting price
Free tier
tenable.com
Nucleus Security
Starting price
Free tier
nucleussec.com

Key Features

Tenable

Feature data is being indexed.

Nucleus Security

Feature data is being 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.

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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