AI Tool Comparison
Comparing as AI Endpoint Detection & Response (EDR/XDR)SentinelOne vs Microsoft Defender for Endpoint

SentinelOne
VS

Microsoft Defender for Endpoint
Verdict by Category
Detailed category analysis is not available for this comparison.
Detailed Comparison
Feature
SentinelOne
Microsoft Defender for Endpoint
Pricing
PaidSentinelOne offers five pricing tiers based on per-endpoint annual licensing:
Singularity Core: ~$69.99/device/year \u2014 EPP and basic endpoint protection. Singularity Control: $79.99/device/year \u2014 adds firewall management, device control, and cloud workload protection. Singularity Complete: $179.99/device/year \u2014 adds full EDR, XDR, Storyline, Purple AI, and 14-day data retention. Singularity Commercial: $229.99/device/year \u2014 adds identity threat detection, managed threat hunting, and 90-day data retention. Singularity Enterprise: custom pricing \u2014 adds agentic AI SOC analyst, full forensics, and 24/7 MDR.
Starting price is approximately $5.83/endpoint/month. Enterprise pricing is custom-quoted via the sales team. Vigilance MDR can be added as a managed service layer on any tier. A 30-day free trial is available.
PaidMicrosoft Defender for Endpoint has two standalone tiers and M365 bundle pricing:
Plan 1 (standalone): $3/user/month \u2014 next-gen antivirus, attack surface reduction, device control, web protection. Prevention-only. Included in M365 E3 ($36/user/month).
Plan 2 (standalone): $5.20/user/month \u2014 full EDR, behavioral AI, AIR, 6-month retention, Live Response, KQL threat hunting. Included at no cost in M365 E5 ($60/user/month) and E5 Security add-on ($12/user/month on E3).
M365 Business Premium ($22/user/month, up to 300 users) includes Defender for Business. Copilot for Security ~$4/SCU/hour billed separately.
Categories
AI Cybersecurity ToolsAI Productivity Tools
AI Cybersecurity ToolsAI Productivity Tools
Summary
Autonomous AI XDR with offline EDR, one-click ransomware rollback, Purple AI, and 100% MITRE coverage
Enterprise EDR/XDR with Copilot for Security — native M365 integration, Defender XDR portal, free in M365 E5
SentinelOne Pros & Cons
Pros
- Autonomous on-device AI — detection and response continues even when endpoints are offline or air-gapped
- One-click ransomware rollback via VSS — restores encrypted files instantly without manual intervention
- 100% MITRE ATT&CK detection coverage (2024) — best-in-class independent detection benchmark result
- Storyline ActiveEDR auto-correlates attack events into visual narratives — eliminates manual investigation
- Purple AI (first LLM natively in XDR) — natural-language threat hunting and agentic investigation from Complete tier
- $1.001B FY2026 revenue, $1.055B ARR — proven scale with 22-24% YoY growth on NYSE
- Unified platform: endpoint + identity (Attivo) + cloud (PingSafe) + AI-SIEM + MDR in one agent
Cons
- Pricing is largely quote-based at higher tiers — harder to budget upfront vs CrowdStrike’s published list pricing
- EDR, data retention, Storyline, and Purple AI only available from the Complete tier ($179.99/device/yr) and above
- Still GAAP unprofitable despite $1B+ ARR — -$451M GAAP net loss in FY2026
- Advanced features require significant SOC expertise to fully leverage
- Cross-platform macOS/Linux coverage is less mature than Windows in some edge cases
Microsoft Defender for Endpoint Pros & Cons
Pros
- Zero incremental cost for M365 E5 subscribers — Plan 2 full EDR included, most cost-effective for Microsoft shops
- Native Windows/Azure/M365/Intune integration — unmatched ecosystem coherence for Microsoft enterprises
- Defender XDR unifies endpoint, email, identity, cloud apps, and cloud signals — broadest cross-domain correlation
- Copilot for Security GenAI SOC assistant — incident summarization, script deobfuscation, natural-language hunting
- 35,000+ ransomware incidents disrupted monthly — proven at unprecedented real-world scale
- FedRAMP High compliance — approved for US federal government deployments
- AIR autonomous triage reduces tier-1 SOC analyst workload significantly
Cons
- Full EDR requires Plan 2 or M365 E5 — Plan 1 is prevention-only with no investigation or threat hunting
- Copilot for Security consumption-based (~$4/SCU-hour) — costs scale unexpectedly for heavy SOC use
- Advanced hunting requires KQL expertise — steeper than Charlotte AI natural language
- MacOS and Linux support less mature than Windows in some edge cases
- Complex M365 E3/E5/standalone/bundle licensing creates confusion and duplicate spend risk