Microsoft Sentinel vs Graylog: SIEM Comparison (2026)

An independent side-by-side comparison of Microsoft Sentinel 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.

Graylog leads overall13% cited vs Microsoft Sentinel 0% across 60 probes.
ChatGPT
Microsoft Sentinel
0 / 6 probes
0%
Invisible
GraylogLeads
2 / 6 probes
33%
Good
Perplexity
Microsoft Sentinel
0 / 6 probes
0%
Invisible
GraylogLeads
1 / 6 probes
17%
Average
Gemini
Microsoft Sentinel
0 / 6 probes
0%
Invisible
Graylog
0 / 6 probes
0%
Invisible
Claude
Microsoft Sentinel
0 / 6 probes
0%
Invisible
GraylogLeads
1 / 6 probes
17%
Average
Copilot
Microsoft Sentinel
0 / 6 probes
0%
Invisible
Graylog
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Microsoft Sentinel
Starting price
Free tier
microsoft.com
Graylog
Starting price
$15,000/yr
Free tier
graylog.org

Key Features

Microsoft Sentinel

Feature data is being indexed.

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

When to choose Microsoft Sentinel

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

When to choose Graylog

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

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