ChatGPT

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

Compose AI

AI writing autocomplete Chrome extension that speeds up everyday writing

ChatGPT

Moderate

16/25

Compose AI

Caution

8/25

Score Breakdown

DimensionChatGPTCompose 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

Compose AI: Text input processed on US-based cloud servers. No EU data residency option.

3/5

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

2/5

Text input processed on US-based cloud servers. No EU data residency option.

Legal Jurisdiction

Which laws govern the company and your data?

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

Compose AI: US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

2/5

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

2/5

US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

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

Compose AI: Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

3/5

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

2/5

Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

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

Compose AI: No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

4/5

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

1/5

No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

Regulatory Fit

Suitability for regulated industries and professional services

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

Compose AI: Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

4/5

Enterprise plan with regional residency and DPA suitable for regulated industries

1/5

Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

Total Score

16/25

8/25

Best For

ChatGPT

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

Compose AI

Best for teams on a tight budget.

Detailed Comparison

ChatGPT vs Compose 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. Compose AI (Compose AI, US) scores 8/25 with a Review Required (Caution) trust badge. AI writing autocomplete Chrome extension that speeds up everyday writing.

Dimension-by-Dimension Breakdown

#### Data Residency

ChatGPT leads with 3/5 vs 2/5.

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

●Compose AI (2/5): Text input processed on US-based cloud servers. No EU data residency option.

#### Legal Jurisdiction

Both score equally at 2/5.

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

●Compose AI (2/5): US entity. Subject to US jurisdiction and CLOUD Act. No EU legal entity or GDPR DPA.

#### Data Retention & Training

ChatGPT leads with 3/5 vs 2/5.

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

●Compose AI (2/5): Extension processes text input through cloud servers. Personalisation features imply some data retention. Limited transparency on data handling.

#### Certifications

ChatGPT leads with 4/5 vs 1/5.

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

●Compose AI (1/5): No security certifications publicly disclosed. Consumer-focused extension without enterprise security posture.

#### Regulatory Fit

ChatGPT leads with 4/5 vs 1/5.

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

●Compose AI (1/5): Consumer browser extension not suitable for regulated environments. Broad browser permissions required. No enterprise compliance features.

Certifications at a Glance

Certification	ChatGPT	Compose AI
ISO 27001	Yes	No
ISO 27017	Yes	No
ISO 27018	Yes	No
ISO 27701	Yes	No
SOC 2 Type II	Yes	No

Overall Verdict

ChatGPT has a clear trust advantage, scoring 16/25 compared to Compose AI's 8/25. ChatGPT particularly excels in data residency, data retention & training, certifications, regulatory fit.

Frequently Asked Questions

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

ChatGPT has a TrustKit score of 16/25 while Compose AI scores 8/25. ChatGPT currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do ChatGPT and Compose 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 Compose AI scores 2/5 (Text input processed on US-based cloud servers. No EU data residency option.).

Are ChatGPT and Compose AI GDPR compliant?

Both tools are assessed across five compliance dimensions. ChatGPT has a regulatory fit score of 4/5 and Compose AI scores 1/5. Check the full comparison above for a detailed breakdown.

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