INKY vs Perimeter 81: Email Security Comparison (2026)
An independent side-by-side comparison of INKY and Perimeter 81 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
INKY
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Perplexity
INKY
0 / 7 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Gemini
INKY
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Claude
INKY
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Copilot
INKY
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
INKY
- ✓Block threats and prevent data leaks
- ✓Coaches users to make smart decisions
- ✓Supports multiple email platforms
- ✓Inbound/Outbound/Internal mail protection
- ✓Email encryption and DMARC monitoring
- ✓Advanced attachment analysis
- ✓Graymail protection
- ✓Email remediation
Perimeter 81
Feature data is being indexed.
When to choose INKY
Choose INKY if your team prioritizes its strengths over Perimeter 81's. Full guidance populates as INKY's feature data is indexed.
When to choose Perimeter 81
Choose Perimeter 81 if your team prioritizes its strengths over INKY's. Full guidance populates as Perimeter 81's feature data is indexed.