Proofpoint vs Sublime Security: Email Security Comparison (2026)

An independent side-by-side comparison of Proofpoint 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.

Proofpoint leads overall67% cited vs Sublime Security 0% across 60 probes.
ChatGPT
ProofpointLeads
5 / 6 probes
83%
Excellent
Sublime Security
0 / 6 probes
0%
Invisible
Perplexity
ProofpointLeads
4 / 6 probes
67%
Excellent
Sublime Security
0 / 6 probes
0%
Invisible
Gemini
ProofpointLeads
5 / 6 probes
83%
Excellent
Sublime Security
0 / 6 probes
0%
Invisible
Claude
ProofpointLeads
5 / 6 probes
83%
Excellent
Sublime Security
0 / 6 probes
0%
Invisible
Copilot
ProofpointLeads
1 / 6 probes
17%
Average
Sublime Security
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

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

Pricing

Proofpoint
Starting price
Free tier
proofpoint.com
Sublime Security
Starting price
Free tier
sublimesecurity.com

Key Features

Proofpoint

Feature data is being indexed.

Sublime Security

Feature data is being indexed.

When to choose Proofpoint

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

When to choose Sublime Security

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

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