Tenable vs SentinelOne: Which is Better in 2026?
Choosing between Tenable and SentinelOne comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: SentinelOne wins this matchup. 1Password is our overall Security pick. LastPass is our free Security pick. Pick Tenable if you need its specific feature set.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Tenable
Unify security visibility, insight, and action across your entire attack surface with AI-powered exposure management.
Best for you if:
- • You want provides a unified view of cyber risk across diverse environments, including AI and OT
SentinelOne
Autonomous endpoint protection powered by AI
Best for you if:
- • You want good endpoint security
| At a Glance | Tenable | SentinelOne |
|---|---|---|
Starts at | $3500/mo Tenable Vulnerability Management (1 year subscription, up to 250 assets) | $70/mo Singularity Core |
Category | Security Vulnerability Scanning | Security AI & Automation |
Rating | 4.5/5 G2 4.5 110 reviews | 4.4/5 PeerSpot 4.4 245 reviews |
Free plan | No | No |
Watch out for | n/a | Potential minimum endpoint requirements |
Choose Tenable or SentinelOne?
Choose Tenable if
- You want provides a unified view of cyber risk across diverse environments, including AI and OT
- You want leverages AI for predictive prioritization, focusing efforts on critical exposures
Choose SentinelOne if
- You want good endpoint security
- You want AI-powered detection
In-Depth Analysis
Tenable
Unify security visibility, insight, and action across your entire attack surface with AI-powered exposure management.
Tenable's pricing, particularly for Nessus Professional starting at $4,390/year, is on the higher end for vulnerability scanning tools, especially for smaller businesses.
Strengths
- Pro: Provides a unified view of cyber risk across diverse environments, including AI and OT.
- Pro: Leverages AI for predictive prioritization, focusing efforts on critical exposures.
- Pro: Offers automated remediation and prescriptive guidance to accelerate response.
- Pro: Integrates data from existing security tools for enriched context.
- Pro: Includes specialized capabilities for cloud, identity, and AI security.
Weaknesses
- Con: Specific pricing details are not publicly available, requiring a demo request.
- Con: Requires integration with existing tools, which may involve initial setup effort.
Key features
SentinelOne
Autonomous endpoint protection powered by AI
SentinelOne's pricing for Singularity Core at $70/endpoint/year is competitive for basic EPP, but Singularity Complete at $180/endpoint/year is on the higher end for XDR capabilities.
Watch out
Potential minimum endpoint requirements
Strengths
- Pro: Good endpoint security
- Pro: AI-powered detection
- Pro: Active development
- Pro: Good support
- Pro: Enterprise ready
Weaknesses
- Con: Expensive
- Con: Per-endpoint pricing
- Con: Learning curve
- Con: Resource usage
- Con: Complex platform
Key features
Pricing: Tenable vs SentinelOne
| Plan | Tenable | SentinelOne |
|---|---|---|
| Tier 1 | $4,390 Tenable Nessus Professional (1 year license) | $70 Singularity Core |
| Tier 2 | $8,560.50 Tenable Nessus Professional (2 year license) | $80 Singularity Control |
| Tier 3 | $12,511.50 Tenable Nessus Professional (3 year license) | $180 Singularity Complete |
| Tier 4 | $6,390 Tenable Nessus Expert (1 year license) | N/A |
| Tier 5 | $12,460.50 Tenable Nessus Expert (2 year license) | N/A |
| Tier 6 | $18,211.50 Tenable Nessus Expert (3 year license) | N/A |
| Tier 7 | $3,500 Tenable Vulnerability Management (1 year subscription, up to 250 assets) | N/A |
| Tier 8 | $6,825 Tenable Vulnerability Management (2 year subscription) | N/A |
| Tier 9 | $9,975 Tenable Vulnerability Management (3 year subscription) | N/A |
| Tier 10 | $3,500 Tenable Web App Scanning (1 year subscription, 5 FQDNs) | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Tenable pricing and SentinelOne pricing.
Key Takeaways
SentinelOne
- Larger review base (245 reviews)
- Our pick for this comparison
Tenable
- Higher user rating: 4.5/5 vs 4.4/5
The Bottom Line
SentinelOne wins this matchup. 1Password is our overall Security pick. LastPass is our free Security pick.
Frequently Asked Questions
Is Tenable or SentinelOne better in 2026?
SentinelOne wins this matchup. 1Password is our overall Security pick. LastPass is our free Security pick. Pick Tenable for security workflows (main strength: provides a unified view of cyber risk across diverse environments, including AI and OT). Pick SentinelOne for security workflows (main strength: good endpoint security).
What are Tenable and SentinelOne used for?
Tenable: Unify security visibility, insight, and action across your entire attack surface with AI-powered exposure management. SentinelOne: Autonomous endpoint protection powered by AI.
What does Tenable cost vs SentinelOne?
Tenable's paid plans start at $3500/mo (Tenable Vulnerability Management (1 year subscription, up to 250 assets)). SentinelOne's paid plans start at $70/mo (Singularity Core).
What's the main difference between Tenable and SentinelOne?
Tenable's main strength: provides a unified view of cyber risk across diverse environments, including AI and OT. SentinelOne's main strength: good endpoint security.