ArcSight vs Graylog: SIEM Comparison (2026)

An independent side-by-side comparison of ArcSight and Graylog for siem buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each vendor is cited by major AI engines when real buyers ask siem questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days. Methodology.

ChatGPT
ArcSight: tracking…
Graylog: tracking…
Perplexity
ArcSight: tracking…
Graylog: tracking…
Gemini
ArcSight: tracking…
Graylog: tracking…
Claude
ArcSight: tracking…
Graylog: tracking…

Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.

Pricing

ArcSight
Starting price
Free tier
opentext.com
Graylog
Starting price
Free tier
graylog.org

Key Features

ArcSight

Feature data is being indexed.

Graylog

Feature data is being indexed.

When to choose ArcSight

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

When to choose Graylog

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

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