Microsoft Defender vs Grok

Side-by-side comparison of AI visibility scores, market position, and capabilities

Grok leads in AI visibility (49 vs 42)

Microsoft Defender

EmergingSecurity

Antivirus and Security Software

Microsoft's enterprise endpoint protection platform included in Microsoft 365 E5; benefiting from CrowdStrike's 2024 outage while AI-powered Copilot for Security integrates with Microsoft's $20B+ security business.

AI VisibilityBeta
Overall Score
C42
Category Rank
#3 of 5
AI Consensus
70%
Trend
up
Per Platform
ChatGPT
41
Perplexity
48
Gemini
35

About

Microsoft Defender is Microsoft's comprehensive endpoint security platform — providing antivirus, anti-malware, endpoint detection and response (EDR), vulnerability management, and attack surface reduction across Windows, macOS, Linux, iOS, and Android devices. Part of Microsoft's Security portfolio (which generates $20+ billion annually), Microsoft Defender for Endpoint has become one of the most widely deployed enterprise security products as organizations already licensing Microsoft 365 E5 gain enterprise security capabilities that previously required separate vendor relationships with Symantec, CrowdStrike, or SentinelOne.

Full profile

Grok

ChallengerAI & Machine Learning

AI Assistant

AI assistant by xAI (Elon Musk); Grok 3 topped reasoning benchmarks in Feb 2025; 1M+ paying subscribers in week one; real-time X post access; distributed via X Premium; xAI valued at $24B.

AI VisibilityBeta
Overall Score
C49
Category Rank
#4 of 4
AI Consensus
59%
Trend
up
Per Platform
ChatGPT
43
Perplexity
49
Gemini
51

About

Grok is the AI assistant developed by xAI, Elon Musk's AI company founded in 2023, and distributed primarily through X (formerly Twitter). Grok launched in November 2023 as an X Premium perk, with the notable differentiator of real-time access to X posts and a less restricted, more direct conversational style. Grok 3, released in February 2025, achieved top scores on the AIME math reasoning benchmark and ARC-AGI test, briefly positioning xAI as a frontier model lab.

Full profile

AI Visibility Head-to-Head

42
Overall Score
49
#3
Category Rank
#4
70
AI Consensus
59
up
Trend
up
41
ChatGPT
43
48
Perplexity
49
35
Gemini
51
41
Claude
42
45
Grok
59

Capabilities & Ecosystem

Capabilities

Only Microsoft Defender
Antivirus and Security Software
Only Grok
AI Assistant
Grok is classified as product (part of xAI).

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