Perimeter VRM - Respond vs Whistic AI: Side-by-Side Comparison (2026)

Perimeter VRM - Respond: AI-automated RFP & security assessment response management platform. built by Perimeter. Core capabilities include AI-assisted auto-completion of RFP and security assessment responses, Source citations on all responses for full traceability and audit-readiness, Support for Excel, Word, PDF, and browser-based assessment formats..

Whistic AI: AI-powered TPRM platform for vendor assessments and security questionnaires. built by Whistic. Core capabilities include AI Assessment Copilot for automated vendor reviews, Smart Response for automated questionnaire completion, SOC 2 summary generation..

Both serve the Third-Party Risk Management market but differ in approach, feature depth, and target audience.

Perimeter VRM - Respond differentiates with AI-assisted auto-completion of RFP and security assessment responses, Source citations on all responses for full traceability and audit-readiness, Support for Excel, Word, PDF, and browser-based assessment formats. Whistic AI differentiates with AI Assessment Copilot for automated vendor reviews, Smart Response for automated questionnaire completion, SOC 2 summary generation.

Perimeter VRM - Respond is developed by Perimeter. Whistic AI is developed by Whistic. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Perimeter VRM - Respond integrates with Excel, Word, PDF. Whistic AI integrates with RiskRecon. Check integration compatibility with your existing security stack before deciding.

Perimeter VRM - Respond and Whistic AI serve similar Third-Party Risk Management use cases: both are Third-Party Risk Management tools, both cover Security Questionnaires. Review the feature comparison above to determine which fits your requirements.