Wazuh vs Splunk: Which is Better in 2026?
Choosing between Wazuh and Splunk 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.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Wazuh
Open-source security monitoring
Best for you if:
- • You need something completely free
- • Wazuh is an open-source security monitoring platform
- • It provides threat detection, compliance, and incident response
Splunk
Data platform for security and observability
Best for you if:
- • Log management and analysis platform
- • Search terabytes of logs in seconds
| At a Glance |  Splunk | |
|---|---|---|
Starts at | FreeFree tier available | Custom |
Best For | Security Monitoring | Security Monitoring |
Rating | 4.5/5 | 4.4/5 |
Free plan | Yes | No |
Choose Wazuh or Splunk?
Choose Wazuh if
Open-source security monitoring
- Open source SIEM
- Good features
- Self-hostable
- You want a fully free tool (Splunk requires payment)
Choose Splunk if
Data platform for security and observability
- Powerful search
- Enterprise features
- Great visualizations
| Feature | Wazuh | Splunk |
|---|---|---|
| Pricing Model | Free | Paid |
| User Rating | ★4.5/5 71 reviews | ★4.4/5 668 reviews |
| Categories | Security MonitoringVulnerability Scanning | Security MonitoringLog Management |
In-Depth Analysis
Wazuh
Open-source security monitoring
Wazuh's pricing is exceptionally generous, offering a full-featured open-source SIEM/XDR solution for $0.
Watch out
Cloud tier pricing is custom, not transparent
Strengths
- +Open source SIEM
- +Good features
- +Self-hostable
- +Active development
- +Free
Weaknesses
- -Complex setup
- -Learning curve
- -Resource intensive
- -Documentation gaps
- -Enterprise features paid
Key features
Splunk
Data platform for security and observability
Splunk's pricing model is entirely custom and usage-based, making it difficult to assess fairness without specific dollar amounts.
Watch out
No public pricing, requires custom quotes.
Strengths
- +Powerful search
- +Enterprise features
- +Great visualizations
Weaknesses
- -Very expensive
- -Complex pricing
Key features
Pricing: Wazuh vs Splunk
| Plan | Wazuh | Splunk |
|---|---|---|
| Tier 1 | Free Open Source | Workload Pricing |
| Tier 2 | Free Cloud | Ingest Pricing |
| Tier 3 | N/A | Entity Pricing |
| Tier 4 | N/A | Activity-based Pricing |
Pricing verified from each vendor's public pricing page. Compare in detail on Wazuh pricing and Splunk pricing.
Who Should Use What?
On a budget?
Wazuh is free. Splunk is paid.
Go with: Wazuh
Want the highest-rated option?
Wazuh: 4.5/5 (71 reviews). Splunk: 4.4/5 (668 reviews).
Go with: Wazuh
Value user reviews?
Wazuh: 71 reviews (4.5/5). Splunk: 668 reviews (4.4/5).
Go with: Splunk
3 Questions to Help You Decide
What's your budget?
Wazuh is free. Splunk is paid. Go with Wazuh if free matters most.
What's your use case?
Both are security monitoring tools. Compare their specific features to decide.
How important are ratings?
Wazuh is rated higher: 4.5/5 vs 4.4/5.
Key Takeaways
Wazuh
- Higher user rating: 4.5/5 vs 4.4/5
- Completely free
- Our pick for this comparison
Splunk
- Larger review base (668 reviews)
The Bottom Line
Wazuh is our pick.
Frequently Asked Questions
Is Wazuh or Splunk better?
Wazuh is rated in our evaluation. Wazuh is free and Splunk is paid.
What are Wazuh and Splunk used for?
Wazuh: Open-source security monitoring. Splunk: Data platform for security and observability.
What does Wazuh cost vs Splunk?
Wazuh is completely free. Splunk is a paid tool. Visit their websites for detailed pricing.