Tenable vs Wazuh: Which is Better in 2026?
Choosing between Tenable and Wazuh 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: Wazuh wins this matchup. ESET is our overall Vulnerability Scanning pick. Malwarebytes is our free Vulnerability Scanning pick. Pick Tenable if you need security.
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
Wazuh
Open-source security monitoring
Best for you if:
- • You want a fully free tool (Tenable requires payment)
| At a Glance | Tenable | |
|---|---|---|
Starts at | $3500/mo Tenable Vulnerability Management (1 year subscription, up to 250 assets) | Free 100% free |
Category | Security Vulnerability Scanning | Security Monitoring Vulnerability Scanning |
Rating | 4.5/5 G2 4.5 110 reviews | 4.5/5 G2 4.5 71 reviews |
Free plan | No | Yes |
Choose Tenable or Wazuh?
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
- You work in security, not security monitoring
Choose Wazuh if
- You want a fully free tool (Tenable requires payment)
- You want open source SIEM
- You want good features
- You work in security monitoring, not security
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
Wazuh
Open-source security monitoring
Wazuh's pricing is exceptionally generous, offering a full-featured open-source SIEM/XDR solution for $0.
Strengths
- Pro: Open source SIEM
- Pro: Good features
- Pro: Self-hostable
- Pro: Active development
- Pro: Free
Weaknesses
- Con: Complex setup
- Con: Learning curve
- Con: Resource intensive
- Con: Documentation gaps
- Con: Enterprise features paid
Key features
Pricing: Tenable vs Wazuh
| Plan | Tenable | Wazuh |
|---|---|---|
| Tier 1 | $4,390 Tenable Nessus Professional (1 year license) | Free Open Source |
| Tier 2 | $8,560.50 Tenable Nessus Professional (2 year license) | Free Cloud |
| Tier 3 | $12,511.50 Tenable Nessus Professional (3 year license) | N/A |
| 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 Wazuh pricing.
Key Takeaways
Wazuh
- Completely free
- Our pick for this comparison
Tenable
- Larger review base (110 reviews)
- Better fit for security
The Bottom Line
Wazuh wins this matchup. ESET is our overall Vulnerability Scanning pick. Malwarebytes is our free Vulnerability Scanning pick.
Frequently Asked Questions
Is Tenable or Wazuh better in 2026?
Wazuh wins this matchup. ESET is our overall Vulnerability Scanning pick. Malwarebytes is our free Vulnerability Scanning pick. Pick Tenable for security workflows (main strength: provides a unified view of cyber risk across diverse environments, including AI and OT). Pick Wazuh for security monitoring workflows (main strength: open source SIEM).
What are Tenable and Wazuh used for?
Tenable: Unify security visibility, insight, and action across your entire attack surface with AI-powered exposure management. Wazuh: Open-source security monitoring.
What does Tenable cost vs Wazuh?
Tenable's paid plans start at $3500/mo (Tenable Vulnerability Management (1 year subscription, up to 250 assets)). Wazuh is free.
What's the main difference between Tenable and Wazuh?
Tenable's main strength: provides a unified view of cyber risk across diverse environments, including AI and OT. Wazuh's main strength: open source SIEM.