Microsoft Defender vs SentinelOne: EDR / XDR Comparison (2026)
An independent side-by-side comparison of Microsoft Defender and SentinelOne for edr / xdr 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 edr / xdr questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.
SentinelOne leads overall — 60% cited vs Microsoft Defender 0% across 60 probes.
ChatGPT
Microsoft Defender
0 / 6 probes
0%
InvisibleSentinelOneLeads
6 / 6 probes
100%
ExcellentPerplexity
Microsoft Defender
0 / 6 probes
0%
InvisibleSentinelOneLeads
2 / 6 probes
33%
GoodGemini
Microsoft Defender
0 / 6 probes
0%
InvisibleSentinelOneLeads
4 / 6 probes
67%
ExcellentClaude
Microsoft Defender
0 / 6 probes
0%
InvisibleSentinelOneLeads
6 / 6 probes
100%
ExcellentCopilot
Microsoft Defender
0 / 6 probes
0%
InvisibleSentinelOne
0 / 6 probes
0%
InvisibleScale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Microsoft Defender
Feature data is being indexed.
SentinelOne
- ✓AI-driven endpoint protection
- ✓Real-time threat detection
- ✓14 days of data retention
- ✓AI Security Assistant
- ✓Identity Detection & Response
- ✓Managed Threat Hunting
- ✓Agentic AI SOC Analyst
- ✓Forensic Data Collection
When to choose Microsoft Defender
Choose Microsoft Defender if your team prioritizes its strengths over SentinelOne's. Full guidance populates as Microsoft Defender's feature data is indexed.
When to choose SentinelOne
Choose SentinelOne if your team prioritizes its strengths over Microsoft Defender's. Full guidance populates as SentinelOne's feature data is indexed.