GreatHorn vs Sublime Security: Email Security Comparison (2026)

An independent side-by-side comparison of GreatHorn and Sublime Security 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
GreatHorn
0 / 6 probes
0%
Invisible
Sublime Security
0 / 6 probes
0%
Invisible
Perplexity
GreatHorn
0 / 6 probes
0%
Invisible
Sublime Security
0 / 6 probes
0%
Invisible
Gemini
GreatHorn
0 / 6 probes
0%
Invisible
Sublime Security
0 / 6 probes
0%
Invisible
Claude
GreatHorn
0 / 6 probes
0%
Invisible
Sublime Security
0 / 6 probes
0%
Invisible
Copilot
GreatHorn
0 / 6 probes
0%
Invisible
Sublime Security
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

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

Key Features

GreatHorn

Feature data is being indexed.

Sublime Security

Feature data is being 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.

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.

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