Cohere

Enterprise AI platform with a strong data privacy commitment and flexible deployment including on-premises

Grammarly

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

Cohere

Excellent

24/25

Grammarly

Strong

17/25

Score Breakdown

DimensionCohereGrammarly

Data Residency

Where is your data stored and processed?

Cohere: Supports deployment on AWS, Azure, and GCP in multiple regions; on-premises and air-gapped deployments available for maximum data sovereignty

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

5/5

Supports deployment on AWS, Azure, and GCP in multiple regions; on-premises and air-gapped deployments available for maximum data sovereignty

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?

Cohere: Canadian incorporation under Ontario law provides a favourable jurisdiction relative to US-headquartered competitors; Canadian PIPEDA applies; GDPR DPA available; not subject to US CLOUD Act

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

4/5

Canadian incorporation under Ontario law provides a favourable jurisdiction relative to US-headquartered competitors; Canadian PIPEDA applies; GDPR DPA available; not subject to US CLOUD Act

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?

Cohere: Hard commitment that customer data is never used to train foundational models across all tiers by default; data retention fully configurable; private deployment eliminates third-party data sharing

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

5/5

Hard commitment that customer data is never used to train foundational models across all tiers by default; data retention fully configurable; private deployment eliminates third-party data sharing

4/5

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

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Cohere: SOC 2 Type II, ISO 27001, and ISO 42001 (AI management systems) certified; annual SOC 2 audits; Trust Centre available for documentation requests

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

5/5

SOC 2 Type II, ISO 27001, and ISO 42001 (AI management systems) certified; annual SOC 2 audits; Trust Centre available for documentation requests

5/5

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

Regulatory Fit

Suitability for regulated industries and professional services

Cohere: On-premises deployment, Canadian jurisdiction, ISO 42001 certification, no training on customer data, and HIPAA compliance make Cohere one of the strongest compliance postures among AI platforms

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

5/5

On-premises deployment, Canadian jurisdiction, ISO 42001 certification, no training on customer data, and HIPAA compliance make Cohere one of the strongest compliance postures among AI platforms

4/5

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

Total Score

24/25

17/25

Best For

Cohere

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 42001); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Grammarly

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.

Detailed Comparison

Cohere vs Grammarly: Trust & Compliance Comparison

Cohere (Cohere, CA) scores 24/25 overall with a Gold (Excellent) trust badge. Enterprise AI platform with a strong data privacy commitment and flexible deployment including on-premises. Grammarly (Grammarly, Inc., US) scores 17/25 with a Silver (Strong) trust badge. AI writing assistant for grammar, style, clarity, and generative content creation.

Dimension-by-Dimension Breakdown

#### Data Residency

Cohere leads with 5/5 vs 2/5.

●Cohere (5/5): Supports deployment on AWS, Azure, and GCP in multiple regions; on-premises and air-gapped deployments available for maximum data sovereignty

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

#### Legal Jurisdiction

Cohere leads with 4/5 vs 2/5.

●Cohere (4/5): Canadian incorporation under Ontario law provides a favourable jurisdiction relative to US-headquartered competitors; Canadian PIPEDA applies; GDPR DPA available; not subject to US CLOUD Act

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

#### Data Retention & Training

Cohere leads with 5/5 vs 4/5.

●Cohere (5/5): Hard commitment that customer data is never used to train foundational models across all tiers by default; data retention fully configurable; private deployment eliminates third-party data sharing

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

#### Certifications

Both score equally at 5/5.

●Cohere (5/5): SOC 2 Type II, ISO 27001, and ISO 42001 (AI management systems) certified; annual SOC 2 audits; Trust Centre available for documentation requests

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

#### Regulatory Fit

Cohere leads with 5/5 vs 4/5.

●Cohere (5/5): On-premises deployment, Canadian jurisdiction, ISO 42001 certification, no training on customer data, and HIPAA compliance make Cohere one of the strongest compliance postures among AI platforms

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

Certifications at a Glance

Certification	Cohere	Grammarly
ISO 27001	Yes	Yes
ISO 27018	No	Yes
ISO 27701	No	Yes
ISO 42001	Yes	Yes
SOC 2 Type II	Yes	Yes

Overall Verdict

Cohere has a clear trust advantage, scoring 24/25 compared to Grammarly's 17/25. Cohere particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Cohere or Grammarly?

Cohere has a TrustKit score of 24/25 while Grammarly scores 17/25. Cohere currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Cohere and Grammarly compare on data residency?

Cohere scores 5/5 for data residency (Supports deployment on AWS, Azure, and GCP in multiple regions; on-premises and air-gapped deployments available for maximum data sovereignty), while Grammarly scores 2/5 (Data hosted exclusively in US AWS East; no EU or regional residency option).

Are Cohere and Grammarly GDPR compliant?

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

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