Perimeter 81 vs Google Workspace (Gmail Security): Email Security Comparison (2026)

An independent side-by-side comparison of Perimeter 81 and Google Workspace (Gmail 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.

Too early to call — probes still building data.
ChatGPT
Perimeter 81
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No data yet
Google Workspace (Gmail Security)
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No data yet
Perplexity
Perimeter 81
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No data yet
Google Workspace (Gmail Security)
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No data yet
Gemini
Perimeter 81
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No data yet
Google Workspace (Gmail Security)
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No data yet
Claude
Perimeter 81
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No data yet
Google Workspace (Gmail Security)
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No data yet
Copilot
Perimeter 81
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No data yet
Google Workspace (Gmail Security)
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No data yet
Scale:NoneLowFairStrongExcellent

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

Pricing

Perimeter 81
Starting price
Free tier
perimeter81.com
Google Workspace (Gmail Security)
Starting price
Free tier
google.com

Key Features

Perimeter 81

Feature data is being indexed.

Google Workspace (Gmail Security)

Feature data is being indexed.

When to choose Perimeter 81

Choose Perimeter 81 if your team prioritizes its strengths over Google Workspace (Gmail Security)'s. Full guidance populates as Perimeter 81's feature data is indexed.

When to choose Google Workspace (Gmail Security)

Choose Google Workspace (Gmail Security) if your team prioritizes its strengths over Perimeter 81's. Full guidance populates as Google Workspace (Gmail Security)'s feature data is indexed.

AI visibility profiles

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