Langfuse

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

Prediction Guard

Privacy-first LLM API with built-in compliance and safety controls

Langfuse

Excellent

22/25

Prediction Guard

Strong

20/25

Score Breakdown

DimensionLangfusePrediction Guard

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.

Prediction Guard: Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.

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.

4/5

Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.

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.

Prediction Guard: US Delaware corporation. Subject to US jurisdiction. However, on-premise deployment mitigates many jurisdiction concerns for EU customers.

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.

3/5

US Delaware corporation. Subject to US jurisdiction. However, on-premise deployment mitigates many jurisdiction concerns for EU customers.

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.

Prediction Guard: No customer data used for training. Built-in PII redaction. Configurable data retention. On-premise option means data never leaves customer infrastructure.

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

No customer data used for training. Built-in PII redaction. Configurable data retention. On-premise option means data never leaves customer infrastructure.

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.

Prediction Guard: SOC 2 Type II certified. HIPAA BAA available. Strong compliance posture for a startup. No ISO 27001 yet.

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.

4/5

SOC 2 Type II certified. HIPAA BAA available. Strong compliance posture for a startup. No ISO 27001 yet.

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.

Prediction Guard: Purpose-built for regulated industries. HIPAA compliant for healthcare. Safety controls address key regulatory concerns around AI outputs in sensitive contexts.

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.

4/5

Purpose-built for regulated industries. HIPAA compliant for healthcare. Safety controls address key regulatory concerns around AI outputs in sensitive contexts.

Total Score

22/25

20/25

Best For

Langfuse

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.

Prediction Guard

Best for regulated industries (HHS, FDA); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Detailed Comparison

Langfuse vs Prediction Guard: Trust & Compliance Comparison

Langfuse (Langfuse (ClickHouse), DE) scores 22/25 overall with a Gold (Excellent) trust badge. Open-source LLM observability and engineering platform for tracing, evaluation, and prompt management. Prediction Guard (Prediction Guard, US) scores 20/25 with a Silver (Strong) trust badge. Privacy-first LLM API with built-in compliance and safety controls.

Dimension-by-Dimension Breakdown

#### Data Residency

Langfuse leads with 5/5 vs 4/5.

●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.

●Prediction Guard (4/5): Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.

#### Legal Jurisdiction

Both score equally at 3/5.

●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.

●Prediction Guard (3/5): US Delaware corporation. Subject to US jurisdiction. However, on-premise deployment mitigates many jurisdiction concerns for EU customers.

#### Data Retention & Training

Both score equally at 5/5.

●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.

●Prediction Guard (5/5): No customer data used for training. Built-in PII redaction. Configurable data retention. On-premise option means data never leaves customer infrastructure.

#### Certifications

Langfuse leads with 5/5 vs 4/5.

●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.

●Prediction Guard (4/5): SOC 2 Type II certified. HIPAA BAA available. Strong compliance posture for a startup. No ISO 27001 yet.

#### Regulatory Fit

Both score equally at 4/5.

●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.

●Prediction Guard (4/5): Purpose-built for regulated industries. HIPAA compliant for healthcare. Safety controls address key regulatory concerns around AI outputs in sensitive contexts.

Certifications at a Glance

Certification	Langfuse	Prediction Guard
HIPAA BAA	No	Yes
ISO 27001	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

Langfuse has a clear trust advantage, scoring 22/25 compared to Prediction Guard's 20/25. Langfuse particularly excels in data residency, certifications.

Frequently Asked Questions

Which is better for EU compliance, Langfuse or Prediction Guard?

Langfuse has a TrustKit score of 22/25 while Prediction Guard scores 20/25. Langfuse currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Langfuse and Prediction Guard 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 Prediction Guard scores 4/5 (Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.).

Are Langfuse and Prediction Guard GDPR compliant?

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

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