Nebius AI

European GPU cloud and LLM inference platform built for AI-native businesses

Databricks (Mosaic AI)

Unified data and AI lakehouse platform for enterprise-scale machine learning

Nebius AI

Strong

20/25

Databricks (Mosaic AI)

Excellent

22/25

Score Breakdown

DimensionNebius AIDatabricks (Mosaic AI)

Data Residency

Where is your data stored and processed?

Nebius AI: Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.

Databricks (Mosaic AI): Data resides entirely within the customer's own cloud account across all major global regions; VPC injection ensures no shared infrastructure

5/5

Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.

5/5

Data resides entirely within the customer's own cloud account across all major global regions; VPC injection ensures no shared infrastructure

Legal Jurisdiction

Which laws govern the company and your data?

Nebius AI: Incorporated as Nebius Group N.V. under Dutch law. EU legal jurisdiction applies, with no CLOUD Act exposure. Corporate history as Yandex spin-off warrants due diligence on ownership structure, but current governance is EU-based.

Databricks (Mosaic AI): US Delaware corporation subject to CLOUD Act; SCCs and DPAs available for EU/UK transfers

4/5

Incorporated as Nebius Group N.V. under Dutch law. EU legal jurisdiction applies, with no CLOUD Act exposure. Corporate history as Yandex spin-off warrants due diligence on ownership structure, but current governance is EU-based.

2/5

US Delaware corporation subject to CLOUD Act; SCCs and DPAs available for EU/UK transfers

Data Retention & Training

Is your data used for model training?

Nebius AI: Customer inference requests and training data are not used to train shared models. Tenant isolation architecture. GDPR-compliant data processing posture with configurable retention for enterprise customers.

Databricks (Mosaic AI): Customer controls all data retention; Databricks has no access to data stored in customer cloud accounts

4/5

Customer inference requests and training data are not used to train shared models. Tenant isolation architecture. GDPR-compliant data processing posture with configurable retention for enterprise customers.

5/5

Customer controls all data retention; Databricks has no access to data stored in customer cloud accounts

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Nebius AI: ISO 27001 certification in place. As a relatively new independent entity, the broader certification portfolio (SOC 2 Type II, ISO 27701) is still developing. Expect maturation over 2025-2026.

Databricks (Mosaic AI): SOC 2 Type II, ISO 27001/17/18, HIPAA, FedRAMP Moderate, PCI DSS, and HITRUST certified

3/5

ISO 27001 certification in place. As a relatively new independent entity, the broader certification portfolio (SOC 2 Type II, ISO 27701) is still developing. Expect maturation over 2025-2026.

5/5

SOC 2 Type II, ISO 27001/17/18, HIPAA, FedRAMP Moderate, PCI DSS, and HITRUST certified

Regulatory Fit

Suitability for regulated industries and professional services

Nebius AI: Excellent fit for European organisations building AI applications and needing EU-sovereign inference infrastructure. Dutch incorporation, EU data centres, and GDPR-compliant DPA make this suitable for most regulated EU use cases. Financial services and healthcare organisations should review specifics with Nebius.

Databricks (Mosaic AI): Purpose-built for regulated enterprise workloads; suitable for healthcare, financial services, and government

4/5

Excellent fit for European organisations building AI applications and needing EU-sovereign inference infrastructure. Dutch incorporation, EU data centres, and GDPR-compliant DPA make this suitable for most regulated EU use cases. Financial services and healthcare organisations should review specifics with Nebius.

5/5

Purpose-built for regulated enterprise workloads; suitable for healthcare, financial services, and government

Total Score

20/25

22/25

Best For

Nebius AI

Best for organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, ISO 27017); regulated industries (ICO, HHS); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Databricks (Mosaic AI)

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (CNIL, BaFin); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Databricks (Mosaic AI) vs Nebius AI: Trust & Compliance Comparison

Databricks (Mosaic AI) (Databricks, US) scores 22/25 overall with a Gold (Excellent) trust badge. Unified data and AI lakehouse platform for enterprise-scale machine learning. Nebius AI (Nebius, NL) scores 20/25 with a Silver (Strong) trust badge. European GPU cloud and LLM inference platform built for AI-native businesses.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 5/5.

●Databricks (Mosaic AI) (5/5): Data resides entirely within the customer's own cloud account across all major global regions; VPC injection ensures no shared infrastructure

●Nebius AI (5/5): Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.

#### Legal Jurisdiction

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

●Databricks (Mosaic AI) (2/5): US Delaware corporation subject to CLOUD Act; SCCs and DPAs available for EU/UK transfers

●Nebius AI (4/5): Incorporated as Nebius Group N.V. under Dutch law. EU legal jurisdiction applies, with no CLOUD Act exposure. Corporate history as Yandex spin-off warrants due diligence on ownership structure, but current governance is EU-based.

#### Data Retention & Training

Databricks (Mosaic AI) leads with 5/5 vs 4/5.

●Databricks (Mosaic AI) (5/5): Customer controls all data retention; Databricks has no access to data stored in customer cloud accounts

●Nebius AI (4/5): Customer inference requests and training data are not used to train shared models. Tenant isolation architecture. GDPR-compliant data processing posture with configurable retention for enterprise customers.

#### Certifications

Databricks (Mosaic AI) leads with 5/5 vs 3/5.

●Databricks (Mosaic AI) (5/5): SOC 2 Type II, ISO 27001/17/18, HIPAA, FedRAMP Moderate, PCI DSS, and HITRUST certified

●Nebius AI (3/5): ISO 27001 certification in place. As a relatively new independent entity, the broader certification portfolio (SOC 2 Type II, ISO 27701) is still developing. Expect maturation over 2025-2026.

#### Regulatory Fit

Databricks (Mosaic AI) leads with 5/5 vs 4/5.

●Databricks (Mosaic AI) (5/5): Purpose-built for regulated enterprise workloads; suitable for healthcare, financial services, and government

●Nebius AI (4/5): Excellent fit for European organisations building AI applications and needing EU-sovereign inference infrastructure. Dutch incorporation, EU data centres, and GDPR-compliant DPA make this suitable for most regulated EU use cases. Financial services and healthcare organisations should review specifics with Nebius.

Certifications at a Glance

Certification	Databricks (Mosaic AI)	Nebius AI
FedRAMP Moderate	Yes	No
HIPAA	Yes	No
HITRUST	Yes	No
ISO 27001	Yes	Yes
ISO 27017	Yes	No
ISO 27018	Yes	No
PCI DSS	Yes	No
SOC 2 Type II	Yes	No

Overall Verdict

Databricks (Mosaic AI) has a clear trust advantage, scoring 22/25 compared to Nebius AI's 20/25. Databricks (Mosaic AI) particularly excels in data retention & training, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Nebius AI or Databricks (Mosaic AI)?

Nebius AI has a TrustKit score of 20/25 while Databricks (Mosaic AI) scores 22/25. Databricks (Mosaic AI) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Nebius AI and Databricks (Mosaic AI) compare on data residency?

Nebius AI scores 5/5 for data residency (Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.), while Databricks (Mosaic AI) scores 5/5 (Data resides entirely within the customer's own cloud account across all major global regions; VPC injection ensures no shared infrastructure).

Are Nebius AI and Databricks (Mosaic AI) GDPR compliant?

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

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Nebius AI

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Databricks (Mosaic AI)

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