Graylog vs Splunk: SIEM Comparison (2026)

Graylog focuses on comprehensive log management and security features for enterprise clients, with a clear starting price. Splunk offers flexible pricing models based on various factors, but requires consultation for specific cost details.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask siem questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Splunk leads overall53% cited vs Graylog 13% across 60 probes.
ChatGPT
Graylog
2 / 6 probes
33%
Good
SplunkLeads
4 / 6 probes
67%
Excellent
Perplexity
Graylog
1 / 6 probes
17%
Average
SplunkLeads
5 / 6 probes
83%
Excellent
Gemini
Graylog
0 / 6 probes
0%
Invisible
SplunkLeads
1 / 6 probes
17%
Average
Claude
Graylog
1 / 6 probes
17%
Average
SplunkLeads
4 / 6 probes
67%
Excellent
Copilot
Graylog
0 / 6 probes
0%
Invisible
SplunkLeads
2 / 6 probes
33%
Good
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Graylog
Starting price
$15,000/yr
Free tier
graylog.org
Splunk
Starting price
Free tier
splunk.com

Key Features

Graylog
  • Enterprise Log Management
  • Maximizes system uptime
  • Alert on issues and outages
  • Meets data retention requirements
Splunk
  • Workload-based pricing
  • Ingest pricing model
  • Entity-based pricing
  • Activity-based pricing

When to choose Graylog

Graylog is suitable for organizations that need robust security features and comprehensive log management, can accommodate a starting price of $15,000/year, and prefer a solution designed for large teams.

When to choose Splunk

Splunk is suitable for organizations that prioritize flexible pricing models, including workload-based, ingest, entity-based, and activity-based pricing, and are willing to engage in consultation to determine specific costs based on their usage. Splunk also offers deployment options in cloud, private, or on-premises environments.

Frequently Asked Questions

What are the key features of Graylog?
Graylog's key features include Enterprise Log Management, maximizing system uptime, alerting on issues and outages, and meeting data retention requirements.
What are the key features of Splunk?
Splunk's key features include workload-based pricing, ingest pricing model, entity-based pricing, and activity-based pricing.
What is the starting price for Graylog?
The starting price for Graylog is $15,000/year.
Does Splunk have a listed starting price?
No specific starting price is listed for Splunk; contact is required for detailed quotes.
Does Graylog offer a free tier?
No free tier is available for Graylog.

More SIEM Comparisons