Grammarly icon

Grammarly

AI writing assistant for grammar, style, clarity, and generative content creation

vs
GreenPT icon

GreenPT

EU-only AI chat platform powered by renewable energy with no external API dependencies

Grammarly
68%Strong
17/25
GreenPT
76%Strong
19/25

Score Breakdown

DimensionGrammarlyGreenPT
Data Residency
Where is your data stored and processed?
Grammarly: Data hosted exclusively in US AWS East; no EU or regional residency option
GreenPT: All models run on own servers hosted by Scaleway in France. No external API dependencies — data never leaves their EU infrastructure. Genuine EU data sovereignty.
2/5
5/5
Legal Jurisdiction
Which laws govern the company and your data?
Grammarly: US Delaware corporation subject to CLOUD Act; GDPR compliance via SCCs and DPA
GreenPT: Dutch BV incorporation under EU law. No US parent company, no US API dependencies, no CLOUD Act exposure. One of the purest EU sovereignty stories available.
2/5
5/5
Data Retention & Training
Is your data used for model training?
Grammarly: User data not sold; limited processing for product improvement with user controls
GreenPT: Data never shared with third parties. Models run locally on own servers. No external API calls means no data leakage to US providers. Specific retention policies not publicly detailed.
4/5
4/5
Certifications
ISO 27001, SOC 2, Cyber Essentials, etc.
Grammarly: Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001
GreenPT: Hosted on Scaleway ISO 27001 certified infrastructure. GreenPT itself does not hold formal certifications. Expected for a small bootstrapped company.
5/5
2/5
Regulatory Fit
Suitability for regulated industries and professional services
Grammarly: Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates
GreenPT: Strong EU sovereignty positioning and genuinely EU-only data handling. Lack of own certifications limits enterprise procurement. Excellent conceptual fit for sovereignty-focused organisations.
4/5
3/5
Total Score
17/25
19/25

Best For

Grammarly iconGrammarly

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27018); privacy-conscious teams who need strong data retention controls; teams on a tight budget; enterprises requiring SSO integration.

GreenPT iconGreenPT

Best for EU-headquartered organisations needing maximum data sovereignty; privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Grammarly vs GreenPT: Trust & Compliance Comparison

Grammarly (Grammarly, Inc., US) scores 17/25 overall with a Silver (Strong) trust badge. AI writing assistant for grammar, style, clarity, and generative content creation. GreenPT (GreenPT, NL) scores 19/25 with a Silver (Strong) trust badge. EU-only AI chat platform powered by renewable energy with no external API dependencies.

Dimension-by-Dimension Breakdown

#### Data Residency

GreenPT leads with 5/5 vs 2/5.

Grammarly (2/5): Data hosted exclusively in US AWS East; no EU or regional residency option
GreenPT (5/5): All models run on own servers hosted by Scaleway in France. No external API dependencies — data never leaves their EU infrastructure. Genuine EU data sovereignty.

#### Legal Jurisdiction

GreenPT leads with 5/5 vs 2/5.

Grammarly (2/5): US Delaware corporation subject to CLOUD Act; GDPR compliance via SCCs and DPA
GreenPT (5/5): Dutch BV incorporation under EU law. No US parent company, no US API dependencies, no CLOUD Act exposure. One of the purest EU sovereignty stories available.

#### Data Retention & Training

Both score equally at 4/5.

Grammarly (4/5): User data not sold; limited processing for product improvement with user controls
GreenPT (4/5): Data never shared with third parties. Models run locally on own servers. No external API calls means no data leakage to US providers. Specific retention policies not publicly detailed.

#### Certifications

Grammarly leads with 5/5 vs 2/5.

Grammarly (5/5): Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001
GreenPT (2/5): Hosted on Scaleway ISO 27001 certified infrastructure. GreenPT itself does not hold formal certifications. Expected for a small bootstrapped company.

#### Regulatory Fit

Grammarly leads with 4/5 vs 3/5.

Grammarly (4/5): Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates
GreenPT (3/5): Strong EU sovereignty positioning and genuinely EU-only data handling. Lack of own certifications limits enterprise procurement. Excellent conceptual fit for sovereignty-focused organisations.

Certifications at a Glance

CertificationGrammarlyGreenPT
ISO 27001YesNo
ISO 27018YesNo
ISO 27701YesNo
ISO 42001YesNo
SOC 2 Type IIYesNo

Overall Verdict

GreenPT has a clear trust advantage, scoring 19/25 compared to Grammarly's 17/25. GreenPT particularly excels in data residency, legal jurisdiction.

Frequently Asked Questions

Which is better for EU compliance, Grammarly or GreenPT?

Grammarly has a TrustKit score of 17/25 while GreenPT scores 19/25. GreenPT currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Grammarly and GreenPT compare on data residency?

Grammarly scores 2/5 for data residency (Data hosted exclusively in US AWS East; no EU or regional residency option), while GreenPT scores 5/5 (All models run on own servers hosted by Scaleway in France. No external API dependencies — data never leaves their EU infrastructure. Genuine EU data sovereignty.).

Are Grammarly and GreenPT GDPR compliant?

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

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