ChatGPT

AI assistant by OpenAI for conversation, analysis, and content creation

Notion AI

AI-powered workspace for notes, wikis, projects, and content generation

ChatGPT

Moderate

16/25

Notion AI

Strong

20/25

Score Breakdown

DimensionChatGPTNotion AI

Data Residency

Where is your data stored and processed?

ChatGPT: Enterprise/Business customers can choose from 10+ regional data residency options including EU and UK

Notion AI: EU data residency available for Enterprise customers; US hosting for lower tiers

3/5

Enterprise/Business customers can choose from 10+ regional data residency options including EU and UK

4/5

EU data residency available for Enterprise customers; US hosting for lower tiers

Legal Jurisdiction

Which laws govern the company and your data?

ChatGPT: US Delaware corporation, subject to CLOUD Act; DPAs available for GDPR

Notion AI: US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

2/5

US Delaware corporation, subject to CLOUD Act; DPAs available for GDPR

3/5

US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

Data Retention & Training

Is your data used for model training?

ChatGPT: Free/Plus tiers may train on data; Business and Enterprise tiers exclude data from training by default

Notion AI: Customer data not used to train AI models; data retained per workspace settings

3/5

Free/Plus tiers may train on data; Business and Enterprise tiers exclude data from training by default

4/5

Customer data not used to train AI models; data retained per workspace settings

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

ChatGPT: SOC 2 Type II, ISO 27001/17/18/701 certified

Notion AI: SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

4/5

SOC 2 Type II, ISO 27001/17/18/701 certified

5/5

SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

Regulatory Fit

Suitability for regulated industries and professional services

ChatGPT: Enterprise plan with regional residency and DPA suitable for regulated industries

Notion AI: Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

4/5

Enterprise plan with regional residency and DPA suitable for regulated industries

4/5

Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

Total Score

16/25

20/25

Best For

ChatGPT

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27017); teams on a tight budget.

Notion AI

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27017); regulated industries (ICO); privacy-conscious teams who need strong data retention controls; teams on a tight budget.

Detailed Comparison

ChatGPT vs Notion AI: Trust & Compliance Comparison

ChatGPT (OpenAI, US) scores 16/25 overall with a Bronze (Moderate) trust badge. AI assistant by OpenAI for conversation, analysis, and content creation. Notion AI (Notion Labs, Inc., US) scores 20/25 with a Silver (Strong) trust badge. AI-powered workspace for notes, wikis, projects, and content generation.

Dimension-by-Dimension Breakdown

#### Data Residency

Notion AI leads with 4/5 vs 3/5.

●ChatGPT (3/5): Enterprise/Business customers can choose from 10+ regional data residency options including EU and UK

●Notion AI (4/5): EU data residency available for Enterprise customers; US hosting for lower tiers

#### Legal Jurisdiction

Notion AI leads with 3/5 vs 2/5.

●ChatGPT (2/5): US Delaware corporation, subject to CLOUD Act; DPAs available for GDPR

●Notion AI (3/5): US Delaware corporation; EU residency option reduces CLOUD Act exposure for Enterprise

#### Data Retention & Training

Notion AI leads with 4/5 vs 3/5.

●ChatGPT (3/5): Free/Plus tiers may train on data; Business and Enterprise tiers exclude data from training by default

●Notion AI (4/5): Customer data not used to train AI models; data retained per workspace settings

#### Certifications

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

●ChatGPT (4/5): SOC 2 Type II, ISO 27001/17/18/701 certified

●Notion AI (5/5): SOC 2 Type II, ISO 27001/17/18/701 all certified; AI included in scope

#### Regulatory Fit

Both score equally at 4/5.

●ChatGPT (4/5): Enterprise plan with regional residency and DPA suitable for regulated industries

●Notion AI (4/5): Strong fit for EU organisations on Enterprise plan with data residency; good overall compliance posture

Certifications at a Glance

Certification	ChatGPT	Notion AI
ISO 27001	Yes	Yes
ISO 27017	Yes	Yes
ISO 27018	Yes	Yes
ISO 27701	Yes	Yes
SOC 2 Type II	Yes	Yes

Overall Verdict

Notion AI has a clear trust advantage, scoring 20/25 compared to ChatGPT's 16/25. Notion AI particularly excels in data residency, legal jurisdiction, data retention & training, certifications.

Frequently Asked Questions

Which is better for EU compliance, ChatGPT or Notion AI?

ChatGPT has a TrustKit score of 16/25 while Notion AI scores 20/25. Notion AI currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do ChatGPT and Notion AI compare on data residency?

ChatGPT scores 3/5 for data residency (Enterprise/Business customers can choose from 10+ regional data residency options including EU and UK), while Notion AI scores 4/5 (EU data residency available for Enterprise customers; US hosting for lower tiers).

Are ChatGPT and Notion AI GDPR compliant?

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

Explore Each Tool