Fortinet FortiSIEM vs Graylog: SIEM Comparison (2026)

An independent side-by-side comparison of Fortinet FortiSIEM and Graylog 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
Fortinet FortiSIEM
Tracking…
No data yet
Graylog
2 / 6 probes
33%
Good
Perplexity
Fortinet FortiSIEM
Tracking…
No data yet
Graylog
1 / 7 probes
14%
Below average
Gemini
Fortinet FortiSIEM
Tracking…
No data yet
Graylog
0 / 6 probes
0%
Invisible
Claude
Fortinet FortiSIEM
Tracking…
No data yet
Graylog
1 / 6 probes
17%
Average
Copilot
Fortinet FortiSIEM
Tracking…
No data yet
Graylog
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Fortinet FortiSIEM
Starting price
Free tier
fortinet.com
Graylog
Starting price
$15,000/yr
Free tier
graylog.org

Key Features

Fortinet FortiSIEM

Feature data is being indexed.

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

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.

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.

AI visibility profiles

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