Sublime Security vs GreatHorn: Email Security Comparison (2026)

An independent side-by-side comparison of Sublime Security and GreatHorn for email security 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 email security questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Tied overall — both at 0% cited across 60 probes.
ChatGPT
Sublime Security
0 / 6 probes
0%
Invisible
GreatHorn
0 / 6 probes
0%
Invisible
Perplexity
Sublime Security
0 / 6 probes
0%
Invisible
GreatHorn
0 / 6 probes
0%
Invisible
Gemini
Sublime Security
0 / 6 probes
0%
Invisible
GreatHorn
0 / 6 probes
0%
Invisible
Claude
Sublime Security
0 / 6 probes
0%
Invisible
GreatHorn
0 / 6 probes
0%
Invisible
Copilot
Sublime Security
0 / 6 probes
0%
Invisible
GreatHorn
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Sublime Security
Starting price
Free tier
sublimesecurity.com
GreatHorn
Starting price
Free tier
greathorn.com

Key Features

Sublime Security

Feature data is being indexed.

GreatHorn

Feature data is being indexed.

When to choose Sublime Security

Choose Sublime Security if your team prioritizes its strengths over GreatHorn's. Full guidance populates as Sublime Security's feature data is indexed.

When to choose GreatHorn

Choose GreatHorn if your team prioritizes its strengths over Sublime Security's. Full guidance populates as GreatHorn's feature data is indexed.

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