Microsoft Sentinel vs Splunk Enterprise Security (ES): SIEM Comparison (2026)

An independent side-by-side comparison of Microsoft Sentinel and Splunk Enterprise Security (ES) 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
Microsoft Sentinel
0 / 6 probes
0%
Invisible
Splunk Enterprise Security (ES)
Tracking…
No data yet
Perplexity
Microsoft Sentinel
0 / 7 probes
0%
Invisible
Splunk Enterprise Security (ES)
Tracking…
No data yet
Gemini
Microsoft Sentinel
0 / 6 probes
0%
Invisible
Splunk Enterprise Security (ES)
Tracking…
No data yet
Claude
Microsoft Sentinel
0 / 6 probes
0%
Invisible
Splunk Enterprise Security (ES)
Tracking…
No data yet
Copilot
Microsoft Sentinel
0 / 6 probes
0%
Invisible
Splunk Enterprise Security (ES)
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent

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

Pricing

Microsoft Sentinel
Starting price
Free tier
microsoft.com
Splunk Enterprise Security (ES)
Starting price
Free tier
splunk.com

Key Features

Microsoft Sentinel

Feature data is being indexed.

Splunk Enterprise Security (ES)

Feature data is being indexed.

When to choose Microsoft Sentinel

Choose Microsoft Sentinel if your team prioritizes its strengths over Splunk Enterprise Security (ES)'s. Full guidance populates as Microsoft Sentinel's feature data is indexed.

When to choose Splunk Enterprise Security (ES)

Choose Splunk Enterprise Security (ES) if your team prioritizes its strengths over Microsoft Sentinel's. Full guidance populates as Splunk Enterprise Security (ES)'s feature data is indexed.

AI visibility profiles

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