Langfuse

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

Wiz

Cloud security platform with AI-powered threat detection and risk prioritisation

Langfuse

Excellent

22/25

Wiz

Strong

18/25

Score Breakdown

DimensionLangfuseWiz

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.

Wiz: Tenant hosted in customer-selected cloud region; processes cloud metadata only, not workload data

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

Tenant hosted in customer-selected cloud region; processes cloud metadata only, not workload data

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.

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

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; DPAs and SCCs available for EU/UK

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.

Wiz: Processes cloud API metadata only; no persistent storage of workload content; configurable retention periods

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.

4/5

Processes cloud API metadata only; no persistent storage of workload content; configurable retention periods

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.

Wiz: SOC 2 Type II and ISO 27001 certified; 80+ compliance frameworks built into the product

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.

3/5

SOC 2 Type II and ISO 27001 certified; 80+ compliance frameworks built into the product

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.

Wiz: Designed for regulated cloud environments; built-in frameworks for HIPAA, PCI DSS, DORA, ISO 27001, NIST

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

Designed for regulated cloud environments; built-in frameworks for HIPAA, PCI DSS, DORA, ISO 27001, NIST

Total Score

22/25

18/25

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.

Wiz

Best for regulated industries (ICO, OCC); privacy-conscious teams who need strong data retention controls.

Detailed Comparison

Langfuse vs Wiz: 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. Wiz (Wiz, US) scores 18/25 with a Silver (Strong) trust badge. Cloud security platform with AI-powered threat detection and risk prioritisation.

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.

●Wiz (4/5): Tenant hosted in customer-selected cloud region; processes cloud metadata only, not workload data

#### Legal Jurisdiction

Langfuse leads with 3/5 vs 2/5.

●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.

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

#### Data Retention & Training

Langfuse leads with 5/5 vs 4/5.

●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.

●Wiz (4/5): Processes cloud API metadata only; no persistent storage of workload content; configurable retention periods

#### Certifications

Langfuse leads with 5/5 vs 3/5.

●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.

●Wiz (3/5): SOC 2 Type II and ISO 27001 certified; 80+ compliance frameworks built into the product

#### Regulatory Fit

Wiz leads with 5/5 vs 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.

●Wiz (5/5): Designed for regulated cloud environments; built-in frameworks for HIPAA, PCI DSS, DORA, ISO 27001, NIST

Certifications at a Glance

Certification	Langfuse	Wiz
ISO 27001	Yes	Yes
SOC 2 Type II	Yes	Yes

Overall Verdict

Langfuse has a clear trust advantage, scoring 22/25 compared to Wiz's 18/25. Langfuse particularly excels in data residency, legal jurisdiction, data retention & training, certifications.

Frequently Asked Questions

Which is better for EU compliance, Langfuse or Wiz?

Langfuse has a TrustKit score of 22/25 while Wiz scores 18/25. Langfuse currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Langfuse and Wiz 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 Wiz scores 4/5 (Tenant hosted in customer-selected cloud region; processes cloud metadata only, not workload data).

Are Langfuse and Wiz GDPR compliant?

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

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