Scale AI

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

Writer

Full-stack enterprise AI platform for content and workflows

Scale AI

Strong

20/25

Writer

Strong

17/25

Score Breakdown

DimensionScale AIWriter

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

Writer: Primary hosting in the US with EU data residency options available for Enterprise customers. Standard cloud infrastructure.

4/5

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

3/5

Primary hosting in the US with EU data residency options available for Enterprise customers. Standard cloud infrastructure.

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

Writer: US-incorporated (Delaware) entity. Subject to US law including CLOUD Act. Offers contractual protections and DPAs for EU customers.

2/5

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

3/5

US-incorporated (Delaware) entity. Subject to US law including CLOUD Act. Offers contractual protections and DPAs for EU customers.

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

Writer: Clear data retention policies. Customer data is not used for model training. Enterprise agreements provide additional data handling 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

Clear data retention policies. Customer data is not used for model training. Enterprise agreements provide additional data handling 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

Writer: SOC 2 Type II certified with HIPAA compliance available. Strong enterprise security posture with regular third-party audits.

5/5

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

4/5

SOC 2 Type II certified with HIPAA compliance available. Strong enterprise security posture with regular third-party audits.

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

Writer: Good fit for US-regulated industries including healthcare (HIPAA). EU organizations should evaluate US jurisdiction implications. Proprietary models provide better data control than third-party model dependencies.

4/5

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

3/5

Good fit for US-regulated industries including healthcare (HIPAA). EU organizations should evaluate US jurisdiction implications. Proprietary models provide better data control than third-party model dependencies.

Total Score

20/25

17/25

Best For

Scale AI

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.

Writer

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

Detailed Comparison

Scale AI vs Writer: Trust & Compliance Comparison

Scale AI (Scale AI, US) scores 20/25 overall with a Silver (Strong) trust badge. AI data labeling and enterprise AI platform for building production-grade AI systems. Writer (Writer, US) scores 17/25 with a Silver (Strong) trust badge. Full-stack enterprise AI platform for content and workflows.

Dimension-by-Dimension Breakdown

#### Data Residency

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

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

●Writer (3/5): Primary hosting in the US with EU data residency options available for Enterprise customers. Standard cloud infrastructure.

#### Legal Jurisdiction

Writer leads with 3/5 vs 2/5.

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

●Writer (3/5): US-incorporated (Delaware) entity. Subject to US law including CLOUD Act. Offers contractual protections and DPAs for EU customers.

#### Data Retention & Training

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

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

●Writer (4/5): Clear data retention policies. Customer data is not used for model training. Enterprise agreements provide additional data handling controls.

#### Certifications

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

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

●Writer (4/5): SOC 2 Type II certified with HIPAA compliance available. Strong enterprise security posture with regular third-party audits.

#### Regulatory Fit

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

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

●Writer (3/5): Good fit for US-regulated industries including healthcare (HIPAA). EU organizations should evaluate US jurisdiction implications. Proprietary models provide better data control than third-party model dependencies.

Certifications at a Glance

Certification	Scale AI	Writer
FedRAMP High	Yes	No
FedRAMP Moderate	Yes	No
HIPAA	No	Yes
ISO 27001	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

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

Frequently Asked Questions

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

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

How do Scale AI and Writer 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 Writer scores 3/5 (Primary hosting in the US with EU data residency options available for Enterprise customers. Standard cloud infrastructure.).

Are Scale AI and Writer GDPR compliant?

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

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