SentinelOne vs Tenable Nessus: Complete Comparison (2026)
Choosing between SentinelOne and Tenable Nessus is a common decision for cybersecurity buyers in 2026. Tenable Nessus has been in the market since 2002, giving it a 11-year head start over SentinelOne (founded 2013). SentinelOne serves 12K+ orgs users while Tenable Nessus has 43K+ orgs users globally. SentinelOne differentiates with ai-powered endpoint protection and autonomous response, while Tenable Nessus leads with vulnerability scanning and compliance checks. In this head-to-head comparison, SentinelOne earns a higher hiltonsoftware.co score of 94/100 — but the right choice depends on your specific needs, budget, and team size.
Quick Comparison
Feature-by-Feature Comparison
Pros & Cons at a Glance
After comparing SentinelOne and Tenable Nessus across features, pricing, and user satisfaction, SentinelOne takes the lead with a score of 94/100 versus Tenable Nessus's 90/100. SentinelOne's key advantages include "autonomous threat response" and "excellent edr capabilities". That said, Tenable Nessus has its own strengths — particularly "industry standard vulnerability scanner" — making it a viable alternative for specific use cases.
Neither SentinelOne nor Tenable Nessus offers a free plan. SentinelOne starts at $45/endpoint/yr and Tenable Nessus at $2790/yr. For the investment, SentinelOne delivers ai-powered endpoint protection and autonomous response, while Tenable Nessus provides vulnerability scanning and compliance checks.
Bottom line: Choose SentinelOne if you need enterprises wanting ai-driven autonomous endpoint protection and response. Go with Tenable Nessus if your priority is security teams running regular vulnerability assessments across all it assets. Both are strong cybersecurity tools — we recommend trying a trial of each before committing.
Enterprises wanting AI-driven autonomous endpoint protection and response.
Security teams running regular vulnerability assessments across all IT assets.