Microsoft Defender vs Bitdefender GravityZone: EDR / XDR Comparison (2026)

An independent side-by-side comparison of Microsoft Defender and Bitdefender GravityZone for edr / xdr 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 edr / xdr questions. Tracked across ChatGPT, Perplexity, Gemini, and Claude over the last 90 days. Methodology.

ChatGPT
Microsoft Defender: tracking…
Bitdefender GravityZone: tracking…
Perplexity
Microsoft Defender: tracking…
Bitdefender GravityZone: tracking…
Gemini
Microsoft Defender: tracking…
Bitdefender GravityZone: tracking…
Claude
Microsoft Defender: tracking…
Bitdefender GravityZone: tracking…

Probes run hourly; each (engine × query) combo retests every ~3 days. Fresh categories may show "tracking…" until probes complete.

Pricing

Microsoft Defender
Starting price
Free tier
microsoft.com
Bitdefender GravityZone
Starting price
Free tier
bitdefender.com

Key Features

Microsoft Defender

Feature data is being indexed.

Bitdefender GravityZone

Feature data is being indexed.

When to choose Microsoft Defender

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

When to choose Bitdefender GravityZone

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

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