Langfuse

Open-source LLM observability and engineering platform for tracing, evaluation, and prompt management

Databricks (Mosaic AI)

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

Langfuse

Excellent

22/25

Databricks (Mosaic AI)

Excellent

22/25

Score Breakdown

DimensionLangfuseDatabricks (Mosaic AI)

Data Residency

Where is your data stored and processed?

Langfuse: EU cloud region (Ireland) keeps data within EEA. Full self-hosting option allows air-gapped EU deployments with zero cloud dependency. Customer can choose exact data location.

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

EU cloud region (Ireland) keeps data within EEA. Full self-hosting option allows air-gapped EU deployments with zero cloud dependency. Customer can choose exact data location.

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?

Langfuse: German GmbH (EU company) but acquired by ClickHouse Inc. (US). German law governs the entity but US parent introduces CLOUD Act considerations. Self-hosted deployment eliminates US cloud dependency.

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

3/5

German GmbH (EU company) but acquired by ClickHouse Inc. (US). German law governs the entity but US parent introduces CLOUD Act considerations. Self-hosted deployment eliminates US cloud dependency.

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?

Langfuse: Explicitly does not train on customer data. Customer traces and prompts processed solely to provide the service. Self-hosted gives full data lifecycle control.

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

5/5

Explicitly does not train on customer data. Customer traces and prompts processed solely to provide the service. Self-hosted gives full data lifecycle control.

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.

Langfuse: SOC 2 Type II and ISO 27001 certified with annual audits. HIPAA BAA available. Annual external penetration tests. Excellent certification posture for a developer tooling company.

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

5/5

SOC 2 Type II and ISO 27001 certified with annual audits. HIPAA BAA available. Annual external penetration tests. Excellent certification posture for a developer tooling company.

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

Langfuse: EU data hosting, GDPR DPA, German legal origin, self-hosting for regulated industries. HIPAA compliance extends reach to healthcare. The ClickHouse acquisition is the main caveat for sovereignty purists.

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

4/5

EU data hosting, GDPR DPA, German legal origin, self-hosting for regulated industries. HIPAA compliance extends reach to healthcare. The ClickHouse acquisition is the main caveat for sovereignty purists.

5/5

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

Total Score

22/25

Best For

Langfuse

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 regulated industries (BaFin, CNIL); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Detailed Comparison

Databricks (Mosaic AI) vs Langfuse: 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. Langfuse (Langfuse (ClickHouse), DE) scores 22/25 with a Gold (Excellent) trust badge. Open-source LLM observability and engineering platform for tracing, evaluation, and prompt management.

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

●Langfuse (5/5): EU cloud region (Ireland) keeps data within EEA. Full self-hosting option allows air-gapped EU deployments with zero cloud dependency. Customer can choose exact data location.

#### Legal Jurisdiction

Langfuse leads with 3/5 vs 2/5.

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

●Langfuse (3/5): German GmbH (EU company) but acquired by ClickHouse Inc. (US). German law governs the entity but US parent introduces CLOUD Act considerations. Self-hosted deployment eliminates US cloud dependency.

#### Data Retention & Training

Both score equally at 5/5.

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

●Langfuse (5/5): Explicitly does not train on customer data. Customer traces and prompts processed solely to provide the service. Self-hosted gives full data lifecycle control.

#### Certifications

Both score equally at 5/5.

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

●Langfuse (5/5): SOC 2 Type II and ISO 27001 certified with annual audits. HIPAA BAA available. Annual external penetration tests. Excellent certification posture for a developer tooling company.

#### 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

●Langfuse (4/5): EU data hosting, GDPR DPA, German legal origin, self-hosting for regulated industries. HIPAA compliance extends reach to healthcare. The ClickHouse acquisition is the main caveat for sovereignty purists.

Certifications at a Glance

Certification	Databricks (Mosaic AI)	Langfuse
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	Yes

Overall Verdict

Databricks (Mosaic AI) and Langfuse are closely matched on trust and compliance, with scores of 22/25 and 22/25 respectively. The right choice depends on your specific regulatory requirements and existing technology stack.

Frequently Asked Questions

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

Langfuse has a TrustKit score of 22/25 while Databricks (Mosaic AI) scores 22/25. Both tools are currently rated equally across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

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

Langfuse scores 5/5 for data residency (EU cloud region (Ireland) keeps data within EEA. Full self-hosting option allows air-gapped EU deployments with zero cloud dependency. Customer can choose exact data location.), 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 Langfuse and Databricks (Mosaic AI) GDPR compliant?

Both tools are assessed across five compliance dimensions. Langfuse 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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Langfuse

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88%

Databricks (Mosaic AI)

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88%