Langfuse

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

2021.AI (GRACE)

Danish on-premise sovereign AI platform with built-in governance

Langfuse

Excellent

22/25

2021.AI (GRACE)

Excellent

23/25

Score Breakdown

DimensionLangfuse2021.AI (GRACE)

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.

2021.AI (GRACE): Fully on-premise or air-gapped; data never leaves customer 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

Fully on-premise or air-gapped; data never leaves customer 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.

2021.AI (GRACE): Danish ApS under EU law; not subject to US jurisdiction

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

Danish ApS under EU law; not subject to US jurisdiction

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.

2021.AI (GRACE): On-premise deployment; customer has full control over all data

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

On-premise deployment; customer has full control over all data

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.

2021.AI (GRACE): ISO 27001 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.

3/5

ISO 27001 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.

2021.AI (GRACE): Proven in Danish public sector healthcare; designed for highest sovereignty requirements

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

Proven in Danish public sector healthcare; designed for highest sovereignty requirements

Total Score

22/25

23/25

Best For

Langfuse

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (BaFin, ICO); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

2021.AI (GRACE)

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

2021.AI (GRACE) vs Langfuse: Trust & Compliance Comparison

2021.AI (GRACE) (2021.AI, DK) scores 23/25 overall with a Gold (Excellent) trust badge. Danish on-premise sovereign AI platform with built-in governance. 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.

●2021.AI (GRACE) (5/5): Fully on-premise or air-gapped; data never leaves customer 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

2021.AI (GRACE) leads with 5/5 vs 3/5.

●2021.AI (GRACE) (5/5): Danish ApS under EU law; not subject to US jurisdiction

●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.

●2021.AI (GRACE) (5/5): On-premise deployment; customer has full control over all data

●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 3/5.

●2021.AI (GRACE) (3/5): ISO 27001 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

2021.AI (GRACE) leads with 5/5 vs 4/5.

●2021.AI (GRACE) (5/5): Proven in Danish public sector healthcare; designed for highest sovereignty requirements

●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	2021.AI (GRACE)	Langfuse
ISO 27001	Yes	Yes
SOC 2 Type II	No	Yes

Overall Verdict

2021.AI (GRACE) and Langfuse are closely matched on trust and compliance, with scores of 23/25 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 2021.AI (GRACE)?

Langfuse has a TrustKit score of 22/25 while 2021.AI (GRACE) scores 23/25. 2021.AI (GRACE) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Langfuse and 2021.AI (GRACE) 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 2021.AI (GRACE) scores 5/5 (Fully on-premise or air-gapped; data never leaves customer infrastructure).

Are Langfuse and 2021.AI (GRACE) GDPR compliant?

Both tools are assessed across five compliance dimensions. Langfuse has a regulatory fit score of 4/5 and 2021.AI (GRACE) scores 5/5. Check the full comparison above for a detailed breakdown.

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