Graylog vs Fortinet FortiSIEM: SIEM Comparison (2026)

An independent side-by-side comparison of Graylog and Fortinet FortiSIEM 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
Fortinet FortiSIEM
Tracking…
No data yet
Perplexity
Graylog
1 / 7 probes
14%
Below average
Fortinet FortiSIEM
Tracking…
No data yet
Gemini
Graylog
0 / 6 probes
0%
Invisible
Fortinet FortiSIEM
Tracking…
No data yet
Claude
Graylog
1 / 6 probes
17%
Average
Fortinet FortiSIEM
Tracking…
No data yet
Copilot
Graylog
0 / 6 probes
0%
Invisible
Fortinet FortiSIEM
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
Fortinet FortiSIEM
Starting price
Free tier
fortinet.com

Key Features

Graylog
  • Enterprise Log Management
  • Maximizes system uptime
  • Alert on issues and outages
  • Meets data retention requirements
Fortinet FortiSIEM

Feature data is being indexed.

When to choose Graylog

Choose Graylog if your team prioritizes its strengths over Fortinet FortiSIEM's. Full guidance populates as Graylog's feature data is indexed.

When to choose Fortinet FortiSIEM

Choose Fortinet FortiSIEM if your team prioritizes its strengths over Graylog's. Full guidance populates as Fortinet FortiSIEM's feature data is indexed.

AI visibility profiles

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