Scale AI

AI data labeling and enterprise AI platform for building production-grade AI systems

Grammarly

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

Scale AI

Strong

20/25

Grammarly

Strong

17/25

Score Breakdown

DimensionScale AIGrammarly

Data Residency

Where is your data stored and processed?

Scale AI: US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project

Grammarly: Data hosted exclusively in US AWS East; no EU or regional residency option

4/5

US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project

2/5

Data hosted exclusively in US AWS East; no EU or regional residency option

Legal Jurisdiction

Which laws govern the company and your data?

Scale AI: US Delaware corporation subject to CLOUD Act; standard SCCs available for international data transfers

Grammarly: US Delaware corporation subject to CLOUD Act; GDPR compliance via SCCs and DPA

2/5

US Delaware corporation subject to CLOUD Act; standard SCCs available for international data transfers

2/5

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

Data Retention & Training

Is your data used for model training?

Scale AI: Customer data used only for contracted tasks with strict annotator access controls; cryptographic audit trails; no cross-customer data sharing

Grammarly: User data not sold; limited processing for product improvement with user controls

5/5

Customer data used only for contracted tasks with strict annotator access controls; cryptographic audit trails; no cross-customer data sharing

4/5

User data not sold; limited processing for product improvement with user controls

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Scale AI: SOC 2 Type II, ISO 27001, FedRAMP Moderate and FedRAMP High — among the highest compliance credentials in the AI sector

Grammarly: Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001

5/5

SOC 2 Type II, ISO 27001, FedRAMP Moderate and FedRAMP High — among the highest compliance credentials in the AI sector

5/5

Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001

Regulatory Fit

Suitability for regulated industries and professional services

Scale AI: Government-grade security posture suitable for defence, intelligence, financial services, and healthcare AI development workloads

Grammarly: Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates

4/5

Government-grade security posture suitable for defence, intelligence, financial services, and healthcare AI development workloads

4/5

Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates

Total Score

20/25

17/25

Best For

Scale AI

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.

Grammarly

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, FedRAMP Moderate); regulated industries (DoD, CISA); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Detailed Comparison

Grammarly vs Scale AI: 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. Scale AI (Scale AI, US) scores 20/25 with a Silver (Strong) trust badge. AI data labeling and enterprise AI platform for building production-grade AI systems.

Dimension-by-Dimension Breakdown

#### Data Residency

Scale AI leads with 4/5 vs 2/5.

●Grammarly (2/5): Data hosted exclusively in US AWS East; no EU or regional residency option

●Scale AI (4/5): US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project

#### Legal Jurisdiction

Both score equally at 2/5.

●Grammarly (2/5): US Delaware corporation subject to CLOUD Act; GDPR compliance via SCCs and DPA

●Scale AI (2/5): US Delaware corporation subject to CLOUD Act; standard SCCs available for international data transfers

#### Data Retention & Training

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

●Grammarly (4/5): User data not sold; limited processing for product improvement with user controls

●Scale AI (5/5): Customer data used only for contracted tasks with strict annotator access controls; cryptographic audit trails; no cross-customer data sharing

#### Certifications

Both score equally at 5/5.

●Grammarly (5/5): Extensive certification: SOC 2 Type II, ISO 27001/18/701, ISO 42001

●Scale AI (5/5): SOC 2 Type II, ISO 27001, FedRAMP Moderate and FedRAMP High — among the highest compliance credentials in the AI sector

#### Regulatory Fit

Both score equally at 4/5.

●Grammarly (4/5): Strong enterprise compliance posture; US-only hosting limits suitability for EU data residency mandates

●Scale AI (4/5): Government-grade security posture suitable for defence, intelligence, financial services, and healthcare AI development workloads

Certifications at a Glance

Certification	Grammarly	Scale AI
FedRAMP High	No	Yes
FedRAMP Moderate	No	Yes
ISO 27001	Yes	Yes
ISO 27018	Yes	No
ISO 27701	Yes	No
ISO 42001	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

Scale AI has a clear trust advantage, scoring 20/25 compared to Grammarly's 17/25. Scale AI particularly excels in data residency, data retention & training.

Frequently Asked Questions

Which is better for EU compliance, Scale AI or Grammarly?

Scale AI has a TrustKit score of 20/25 while Grammarly scores 17/25. Scale AI currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Scale AI and Grammarly compare on data residency?

Scale AI scores 4/5 for data residency (US-based cloud hosting with on-premise deployment available; FedRAMP cloud for government; data isolated per project), while Grammarly scores 2/5 (Data hosted exclusively in US AWS East; no EU or regional residency option).

Are Scale AI and Grammarly GDPR compliant?

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

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