Langfuse

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

Scaleway Generative APIs

EU-sovereign managed LLM inference from France's developer-first cloud provider

Langfuse

Excellent

22/25

Scaleway Generative APIs

Excellent

23/25

Score Breakdown

DimensionLangfuseScaleway Generative APIs

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.

Scaleway Generative APIs: All inference processed in French data centres (Paris region). Maximum EU data sovereignty. French cloud, French law, French 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

All inference processed in French data centres (Paris region). Maximum EU data sovereignty. French cloud, French law, French 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.

Scaleway Generative APIs: French SAS under French law. GDPR applies as corporate law. Iliad Group is a French parent company. No US entity, no CLOUD Act. GAIA-X participant and committed to EU cloud sovereignty principles.

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.

5/5

French SAS under French law. GDPR applies as corporate law. Iliad Group is a French parent company. No US entity, no CLOUD Act. GAIA-X participant and committed to EU cloud sovereignty principles.

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.

Scaleway Generative APIs: Inference data not used for shared model training. Per-project data isolation. GDPR-compliant data processing with configurable retention for enterprise 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.

4/5

Inference data not used for shared model training. Per-project data isolation. GDPR-compliant data processing with configurable retention for enterprise 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.

Scaleway Generative APIs: Scaleway holds ISO 27001, ISO 27017, ISO 27018, and SOC 2 Type II certifications across its cloud platform. Strong certification portfolio for a European cloud provider. HDS certification may be relevant for healthcare use cases—verify availability for Generative APIs product specifically.

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

Scaleway holds ISO 27001, ISO 27017, ISO 27018, and SOC 2 Type II certifications across its cloud platform. Strong certification portfolio for a European cloud provider. HDS certification may be relevant for healthcare use cases—verify availability for Generative APIs product specifically.

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.

Scaleway Generative APIs: Excellent fit for European developers and businesses requiring EU-sovereign LLM inference. French jurisdiction, strong certifications, and GDPR-native posture make this one of the best choices for compliance-conscious EU organisations building AI applications.

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

Excellent fit for European developers and businesses requiring EU-sovereign LLM inference. French jurisdiction, strong certifications, and GDPR-native posture make this one of the best choices for compliance-conscious EU organisations building AI applications.

Total Score

22/25

23/25

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.

Scaleway Generative APIs

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (ISO 27001, ISO 27017, ISO 27018); regulated industries (CNIL, BaFin); privacy-conscious teams who need strong data retention controls; teams on a tight budget.

Detailed Comparison

Langfuse vs Scaleway Generative APIs: 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. Scaleway Generative APIs (Scaleway, FR) scores 23/25 with a Gold (Excellent) trust badge. EU-sovereign managed LLM inference from France's developer-first cloud provider.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 5/5.

●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.

●Scaleway Generative APIs (5/5): All inference processed in French data centres (Paris region). Maximum EU data sovereignty. French cloud, French law, French infrastructure.

#### Legal Jurisdiction

Scaleway Generative APIs leads with 5/5 vs 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.

●Scaleway Generative APIs (5/5): French SAS under French law. GDPR applies as corporate law. Iliad Group is a French parent company. No US entity, no CLOUD Act. GAIA-X participant and committed to EU cloud sovereignty principles.

#### 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.

●Scaleway Generative APIs (4/5): Inference data not used for shared model training. Per-project data isolation. GDPR-compliant data processing with configurable retention for enterprise accounts.

#### 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.

●Scaleway Generative APIs (4/5): Scaleway holds ISO 27001, ISO 27017, ISO 27018, and SOC 2 Type II certifications across its cloud platform. Strong certification portfolio for a European cloud provider. HDS certification may be relevant for healthcare use cases—verify availability for Generative APIs product specifically.

#### Regulatory Fit

Scaleway Generative APIs 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.

●Scaleway Generative APIs (5/5): Excellent fit for European developers and businesses requiring EU-sovereign LLM inference. French jurisdiction, strong certifications, and GDPR-native posture make this one of the best choices for compliance-conscious EU organisations building AI applications.

Certifications at a Glance

Certification	Langfuse	Scaleway Generative APIs
ISO 27001	Yes	Yes
ISO 27017	No	Yes
ISO 27018	No	Yes
SOC 2 Type II	Yes	Yes

Overall Verdict

Langfuse and Scaleway Generative APIs are closely matched on trust and compliance, with scores of 22/25 and 23/25 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 Scaleway Generative APIs?

Langfuse has a TrustKit score of 22/25 while Scaleway Generative APIs scores 23/25. Scaleway Generative APIs currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Langfuse and Scaleway Generative APIs 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 Scaleway Generative APIs scores 5/5 (All inference processed in French data centres (Paris region). Maximum EU data sovereignty. French cloud, French law, French infrastructure.).

Are Langfuse and Scaleway Generative APIs GDPR compliant?

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

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Langfuse

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Scaleway Generative APIs

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