Graylog vs Splunk Enterprise Security (ES): SIEM Comparison (2026)

An independent side-by-side comparison of Graylog and Splunk Enterprise Security (ES) for siem buyers — pricing, features, integrations, and how often each is cited by major AI engines.

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.

Too early to call — probes still building data.
ChatGPT
Graylog
2 / 6 probes
33%
Good
Splunk Enterprise Security (ES)
Tracking…
No data yet
Perplexity
Graylog
1 / 7 probes
14%
Below average
Splunk Enterprise Security (ES)
Tracking…
No data yet
Gemini
Graylog
0 / 6 probes
0%
Invisible
Splunk Enterprise Security (ES)
Tracking…
No data yet
Claude
Graylog
1 / 6 probes
17%
Average
Splunk Enterprise Security (ES)
Tracking…
No data yet
Copilot
Graylog
0 / 6 probes
0%
Invisible
Splunk Enterprise Security (ES)
Tracking…
No data yet
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 Enterprise Security (ES)
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 Enterprise Security (ES)

Feature data is being indexed.

When to choose Graylog

Choose Graylog if your team prioritizes its strengths over Splunk Enterprise Security (ES)'s. Full guidance populates as Graylog's feature data is indexed.

When to choose Splunk Enterprise Security (ES)

Choose Splunk Enterprise Security (ES) if your team prioritizes its strengths over Graylog's. Full guidance populates as Splunk Enterprise Security (ES)'s feature data is indexed.

AI visibility profiles

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