What are the key differences between Nessus and Tenable.io?

Compare Nessus and Tenable.io side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Nessus and Tenable.io scored?

Nessus has an AI score of 8.8/10 and Tenable.io has an AI score of 10.0/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Nessus vs Tenable.io 2026 - Compared

Nessus

Tenable.io

WINNER Nessus

Tenable.io edges ahead with a score of 10.0/10 compared to 8.8/10 for Nessus. While both are highly rated in their respe...

emoji_events WINNER

Nessus

8.67 Great

Cybersecurity Get Nessus open_in_new

Tenable.io

8.12 Great

Cybersecurity Get Tenable.io open_in_new

Nessus Pricing not available

payments

Tenable.io From $250/mo Free plan available

psychology AI Verdict

Tenable.io edges ahead with a score of 10.0/10 compared to 8.8/10 for Nessus. While both are highly rated in their respective fields, Tenable.io demonstrates a slight advantage in our AI ranking criteria. A detailed AI-powered analysis is being prepared for this comparison.

emoji_events Winner: Nessus

verified Confidence: Low

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description Overview

Nessus

Nessus is a vulnerability scanner developed by Tenable. It identifies security weaknesses within systems and networks through simulated attacks. The tool analyzes web pages and applications for issues such as outdated software versions or misconfigured settings. Nessus is primarily used by IT professionals, system administrators, and cybersecurity teams to assess and remediate vulnerabilities acro...

Tenable.io

Tenable.io is the industry-leading platform for vulnerability management, built on the powerful Nessus technology. It provides unparalleled visibility into the modern attack surface, including IT, OT, and cloud environments. By leveraging the Vulnerability Priority Rating (VPR), it helps teams focus on the vulnerabilities that matter most. Its extensive plugin library and deep integration with thi...