Microsoft Sentinel vs ArcSight: SIEM Comparison (2026)

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

Tied overall — both at 0% cited across 60 probes.
ChatGPT
Microsoft Sentinel
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Perplexity
Microsoft Sentinel
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Gemini
Microsoft Sentinel
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Claude
Microsoft Sentinel
0 / 6 probes
0%
Invisible
ArcSight
0 / 6 probes
0%
Invisible
Copilot
Microsoft Sentinel
0 / 6 probes
0%
Invisible
ArcSight
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
ArcSight
Starting price
Free tier
opentext.com

Key Features

Microsoft Sentinel

Feature data is being indexed.

ArcSight

Feature data is being 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.

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.

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