Glean

Enterprise AI search that connects and searches all company knowledge with strict access controls

Perplexity AI

AI-powered answer engine that searches the web and cites its sources

Glean

Moderate

16/25

Perplexity AI

Moderate

15/25

Score Breakdown

DimensionGleanPerplexity AI

Data Residency

Where is your data stored and processed?

Glean: AWS-hosted with US and EU options; data residency configurations available for regulated industries on request; permission-enforcement architecture prevents cross-tenant data exposure

Perplexity AI: US-based AWS infrastructure; no regional data residency options currently

3/5

AWS-hosted with US and EU options; data residency configurations available for regulated industries on request; permission-enforcement architecture prevents cross-tenant data exposure

2/5

US-based AWS infrastructure; no regional data residency options currently

Legal Jurisdiction

Which laws govern the company and your data?

Glean: US Delaware corporation subject to US jurisdiction and CLOUD Act; DPAs available for GDPR; Capital One Ventures as investor may raise considerations for some financial services organisations

Perplexity AI: US Delaware corporation subject to CLOUD Act; GDPR compliance via DPA

2/5

US Delaware corporation subject to US jurisdiction and CLOUD Act; DPAs available for GDPR; Capital One Ventures as investor may raise considerations for some financial services organisations

2/5

US Delaware corporation subject to CLOUD Act; GDPR compliance via DPA

Data Retention & Training

Is your data used for model training?

Glean: Customer data not used to train foundational AI models; strict permission mirroring ensures data is only surfaced to authorised users; comprehensive audit logs and configurable retention policies

Perplexity AI: Enterprise plans offer zero data retention; no use of enterprise data for AI training

4/5

Customer data not used to train foundational AI models; strict permission mirroring ensures data is only surfaced to authorised users; comprehensive audit logs and configurable retention policies

5/5

Enterprise plans offer zero data retention; no use of enterprise data for AI training

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Glean: SOC 2 Type II certified; HIPAA BAA available; GDPR compliant with DPA; no ISO 27001 publicly confirmed

Perplexity AI: SOC 2 Type II certified; HIPAA BAA available for enterprise

3/5

SOC 2 Type II certified; HIPAA BAA available; GDPR compliant with DPA; no ISO 27001 publicly confirmed

3/5

SOC 2 Type II certified; HIPAA BAA available for enterprise

Regulatory Fit

Suitability for regulated industries and professional services

Glean: Permission-enforcement architecture, HIPAA BAA, audit logs, and data residency options make Glean well-suited to large regulated enterprises; US jurisdiction is the primary limitation for EU-sovereignty-focused buyers

Perplexity AI: Strong for research-focused business use; US hosting limits EU data residency suitability

4/5

Permission-enforcement architecture, HIPAA BAA, audit logs, and data residency options make Glean well-suited to large regulated enterprises; US jurisdiction is the primary limitation for EU-sovereignty-focused buyers

3/5

Strong for research-focused business use; US hosting limits EU data residency suitability

Total Score

16/25

15/25

Best For

Glean

Best for privacy-conscious teams who need strong data retention controls.

Perplexity AI

Best for privacy-conscious teams who need strong data retention controls; teams on a tight budget.

Detailed Comparison

Glean vs Perplexity AI: Trust & Compliance Comparison

Glean (Glean, US) scores 16/25 overall with a Bronze (Moderate) trust badge. Enterprise AI search that connects and searches all company knowledge with strict access controls. Perplexity AI (Perplexity AI, Inc., US) scores 15/25 with a Bronze (Moderate) trust badge. AI-powered answer engine that searches the web and cites its sources.

Dimension-by-Dimension Breakdown

#### Data Residency

Glean leads with 3/5 vs 2/5.

●Glean (3/5): AWS-hosted with US and EU options; data residency configurations available for regulated industries on request; permission-enforcement architecture prevents cross-tenant data exposure

●Perplexity AI (2/5): US-based AWS infrastructure; no regional data residency options currently

#### Legal Jurisdiction

Both score equally at 2/5.

●Glean (2/5): US Delaware corporation subject to US jurisdiction and CLOUD Act; DPAs available for GDPR; Capital One Ventures as investor may raise considerations for some financial services organisations

●Perplexity AI (2/5): US Delaware corporation subject to CLOUD Act; GDPR compliance via DPA

#### Data Retention & Training

Perplexity AI leads with 5/5 vs 4/5.

●Glean (4/5): Customer data not used to train foundational AI models; strict permission mirroring ensures data is only surfaced to authorised users; comprehensive audit logs and configurable retention policies

●Perplexity AI (5/5): Enterprise plans offer zero data retention; no use of enterprise data for AI training

#### Certifications

Both score equally at 3/5.

●Glean (3/5): SOC 2 Type II certified; HIPAA BAA available; GDPR compliant with DPA; no ISO 27001 publicly confirmed

●Perplexity AI (3/5): SOC 2 Type II certified; HIPAA BAA available for enterprise

#### Regulatory Fit

Glean leads with 4/5 vs 3/5.

●Glean (4/5): Permission-enforcement architecture, HIPAA BAA, audit logs, and data residency options make Glean well-suited to large regulated enterprises; US jurisdiction is the primary limitation for EU-sovereignty-focused buyers

●Perplexity AI (3/5): Strong for research-focused business use; US hosting limits EU data residency suitability

Certifications at a Glance

Certification	Glean	Perplexity AI
SOC 2 Type II	Yes	Yes

Overall Verdict

Glean and Perplexity AI are closely matched on trust and compliance, with scores of 16/25 and 15/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

Which is better for EU compliance, Glean or Perplexity AI?

Glean has a TrustKit score of 16/25 while Perplexity AI scores 15/25. Glean currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Glean and Perplexity AI compare on data residency?

Glean scores 3/5 for data residency (AWS-hosted with US and EU options; data residency configurations available for regulated industries on request; permission-enforcement architecture prevents cross-tenant data exposure), while Perplexity AI scores 2/5 (US-based AWS infrastructure; no regional data residency options currently).

Are Glean and Perplexity AI GDPR compliant?

Both tools are assessed across five compliance dimensions. Glean has a regulatory fit score of 4/5 and Perplexity AI scores 3/5. Check the full comparison above for a detailed breakdown.

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