ArcSight vs Microsoft Sentinel: SIEM Comparison (2026)

An independent side-by-side comparison of ArcSight and Microsoft Sentinel 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…
Microsoft Sentinel: tracking…
Perplexity
ArcSight: tracking…
Microsoft Sentinel: tracking…
Gemini
ArcSight: tracking…
Microsoft Sentinel: tracking…
Claude
ArcSight: tracking…
Microsoft Sentinel: 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
Microsoft Sentinel
Starting price
Free tier
microsoft.com

Key Features

ArcSight

Feature data is being indexed.

Microsoft Sentinel

Feature data is being indexed.

When to choose ArcSight

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

When to choose Microsoft Sentinel

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

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