Langfuse

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

Agenta

Open-source LLMOps platform for prompt management, evaluation, and observability — Berlin-based

Langfuse

Excellent

22/25

Agenta

Strong

20/25

Score Breakdown

DimensionLangfuseAgenta

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.

Agenta: Open-source with self-hosting: all LLM traces and evaluation data stay on your infrastructure. Cloud option hosted in EU.

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

Open-source with self-hosting: all LLM traces and evaluation data stay on your infrastructure. Cloud option hosted in EU.

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.

Agenta: German GmbH, fully under EU law. Berlin-based with European investors (Antler, InReach). No US parent.

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

German GmbH, fully under EU law. Berlin-based with European investors (Antler, InReach). No US parent.

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.

Agenta: Self-hosted gives complete control. Open-source code is auditable. No data used for training.

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

Self-hosted gives complete control. Open-source code is auditable. No data used for training.

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.

Agenta: No formal certifications (SOC 2, ISO 27001). Expected at this early stage. Self-hosted model allows organisations to apply their own security controls.

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.

1/5

No formal certifications (SOC 2, ISO 27001). Expected at this early stage. Self-hosted model allows organisations to apply their own security controls.

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.

Agenta: EU-native, open-source, self-hostable. Strong sovereignty posture offset by lack of formal certifications. Best suited for teams that manage their own infrastructure and security.

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

EU-native, open-source, self-hostable. Strong sovereignty posture offset by lack of formal certifications. Best suited for teams that manage their own infrastructure and security.

Total Score

22/25

20/25

Best For

Langfuse

Best for EU-headquartered organisations needing maximum data sovereignty; privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Agenta

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; enterprises requiring SSO integration.

Detailed Comparison

Agenta vs Langfuse: Trust & Compliance Comparison

Agenta (Agenta, DE) scores 20/25 overall with a Silver (Strong) trust badge. Open-source LLMOps platform for prompt management, evaluation, and observability — Berlin-based. 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.

●Agenta (5/5): Open-source with self-hosting: all LLM traces and evaluation data stay on your infrastructure. Cloud option hosted in EU.

●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

Agenta leads with 5/5 vs 3/5.

●Agenta (5/5): German GmbH, fully under EU law. Berlin-based with European investors (Antler, InReach). No US parent.

●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.

●Agenta (5/5): Self-hosted gives complete control. Open-source code is auditable. No data used for training.

●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

Langfuse leads with 5/5 vs 1/5.

●Agenta (1/5): No formal certifications (SOC 2, ISO 27001). Expected at this early stage. Self-hosted model allows organisations to apply their own security controls.

●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

Both score equally at 4/5.

●Agenta (4/5): EU-native, open-source, self-hostable. Strong sovereignty posture offset by lack of formal certifications. Best suited for teams that manage their own infrastructure and security.

●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	Agenta	Langfuse
ISO 27001	No	Yes
SOC 2 Type II	No	Yes

Overall Verdict

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

Frequently Asked Questions

Which is better for EU compliance, Langfuse or Agenta?

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

How do Langfuse and Agenta 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 Agenta scores 5/5 (Open-source with self-hosting: all LLM traces and evaluation data stay on your infrastructure. Cloud option hosted in EU.).

Are Langfuse and Agenta GDPR compliant?

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

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