Dust

French AI platform for deploying AI assistants across your company's knowledge and tools

LangSmith (LangChain)

LLM observability, testing, and deployment platform for production AI applications

Dust

Excellent

23/25

LangSmith (LangChain)

Moderate

13/25

Score Breakdown

DimensionDustLangSmith (LangChain)

Data Residency

Where is your data stored and processed?

Dust: Data hosted exclusively in EU (France). French SAS incorporation means EU law governs by default. Internal company data connected to Dust stays in EU infrastructure.

LangSmith (LangChain): Cloud product processes trace data (including prompts and LLM outputs) in US infrastructure. Self-hosted LangSmith Enterprise enables EU data residency. Open-source LangChain framework can run fully on-premise.

5/5

Data hosted exclusively in EU (France). French SAS incorporation means EU law governs by default. Internal company data connected to Dust stays in EU infrastructure.

2/5

Cloud product processes trace data (including prompts and LLM outputs) in US infrastructure. Self-hosted LangSmith Enterprise enables EU data residency. Open-source LangChain framework can run fully on-premise.

Legal Jurisdiction

Which laws govern the company and your data?

Dust: French SAS under French and EU law. GDPR applies as corporate law. CNIL oversight. No US parent company, no CLOUD Act exposure. Founded by ex-OpenAI researchers building for EU sovereignty.

LangSmith (LangChain): California incorporation, US jurisdiction, CLOUD Act applies. SOC 2 Type II and GDPR DPA available. Self-hosted enterprise removes US cloud dependency for EU deployments.

5/5

French SAS under French and EU law. GDPR applies as corporate law. CNIL oversight. No US parent company, no CLOUD Act exposure. Founded by ex-OpenAI researchers building for EU sovereignty.

2/5

California incorporation, US jurisdiction, CLOUD Act applies. SOC 2 Type II and GDPR DPA available. Self-hosted enterprise removes US cloud dependency for EU deployments.

Data Retention & Training

Is your data used for model training?

Dust: Company data indexed by Dust is not used to train shared models. Data remains within the organisation's workspace. GDPR-compliant DPA available. Configurable data access controls per assistant.

LangSmith (LangChain): Trace data not used for LLM training. Configurable trace retention periods. Enterprise self-hosted gives full control over data lifecycle. Cloud product has clear data isolation per project.

5/5

Company data indexed by Dust is not used to train shared models. Data remains within the organisation's workspace. GDPR-compliant DPA available. Configurable data access controls per assistant.

4/5

Trace data not used for LLM training. Configurable trace retention periods. Enterprise self-hosted gives full control over data lifecycle. Cloud product has clear data isolation per project.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Dust: ISO 27001 certification. As a fast-growing startup, the certification portfolio is expanding. SOC 2 Type II would further strengthen enterprise procurement credibility.

LangSmith (LangChain): SOC 2 Type II certification. Appropriate for a developer tooling company. ISO 27001 would strengthen the posture for enterprise regulated-industry procurement.

3/5

ISO 27001 certification. As a fast-growing startup, the certification portfolio is expanding. SOC 2 Type II would further strengthen enterprise procurement credibility.

3/5

SOC 2 Type II certification. Appropriate for a developer tooling company. ISO 27001 would strengthen the posture for enterprise regulated-industry procurement.

Regulatory Fit

Suitability for regulated industries and professional services

Dust: Excellent regulatory fit for European enterprises building internal AI agent infrastructure. French incorporation, EU hosting, GDPR-native design, and support for EU-sovereign LLM providers (Mistral) make Dust a top choice for sovereignty-conscious EU organisations.

LangSmith (LangChain): Cloud product requires GDPR transfer mechanisms for EU personal data in traces. Self-hosted LangSmith Enterprise is the appropriate deployment for EU regulated industries. Open-source framework usage is unrestricted.

5/5

Excellent regulatory fit for European enterprises building internal AI agent infrastructure. French incorporation, EU hosting, GDPR-native design, and support for EU-sovereign LLM providers (Mistral) make Dust a top choice for sovereignty-conscious EU organisations.

2/5

Cloud product requires GDPR transfer mechanisms for EU personal data in traces. Self-hosted LangSmith Enterprise is the appropriate deployment for EU regulated industries. Open-source framework usage is unrestricted.

Total Score

23/25

13/25

Best For

Dust

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

LangSmith (LangChain)

Best for 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

Dust vs LangSmith (LangChain): Trust & Compliance Comparison

Dust (Dust, FR) scores 23/25 overall with a Gold (Excellent) trust badge. French AI platform for deploying AI assistants across your company's knowledge and tools. LangSmith (LangChain) (LangChain, US) scores 13/25 with a Bronze (Moderate) trust badge. LLM observability, testing, and deployment platform for production AI applications.

Dimension-by-Dimension Breakdown

#### Data Residency

Dust leads with 5/5 vs 2/5.

●Dust (5/5): Data hosted exclusively in EU (France). French SAS incorporation means EU law governs by default. Internal company data connected to Dust stays in EU infrastructure.

●LangSmith (LangChain) (2/5): Cloud product processes trace data (including prompts and LLM outputs) in US infrastructure. Self-hosted LangSmith Enterprise enables EU data residency. Open-source LangChain framework can run fully on-premise.

#### Legal Jurisdiction

Dust leads with 5/5 vs 2/5.

●Dust (5/5): French SAS under French and EU law. GDPR applies as corporate law. CNIL oversight. No US parent company, no CLOUD Act exposure. Founded by ex-OpenAI researchers building for EU sovereignty.

●LangSmith (LangChain) (2/5): California incorporation, US jurisdiction, CLOUD Act applies. SOC 2 Type II and GDPR DPA available. Self-hosted enterprise removes US cloud dependency for EU deployments.

#### Data Retention & Training

Dust leads with 5/5 vs 4/5.

●Dust (5/5): Company data indexed by Dust is not used to train shared models. Data remains within the organisation's workspace. GDPR-compliant DPA available. Configurable data access controls per assistant.

●LangSmith (LangChain) (4/5): Trace data not used for LLM training. Configurable trace retention periods. Enterprise self-hosted gives full control over data lifecycle. Cloud product has clear data isolation per project.

#### Certifications

Both score equally at 3/5.

●Dust (3/5): ISO 27001 certification. As a fast-growing startup, the certification portfolio is expanding. SOC 2 Type II would further strengthen enterprise procurement credibility.

●LangSmith (LangChain) (3/5): SOC 2 Type II certification. Appropriate for a developer tooling company. ISO 27001 would strengthen the posture for enterprise regulated-industry procurement.

#### Regulatory Fit

Dust leads with 5/5 vs 2/5.

●Dust (5/5): Excellent regulatory fit for European enterprises building internal AI agent infrastructure. French incorporation, EU hosting, GDPR-native design, and support for EU-sovereign LLM providers (Mistral) make Dust a top choice for sovereignty-conscious EU organisations.

●LangSmith (LangChain) (2/5): Cloud product requires GDPR transfer mechanisms for EU personal data in traces. Self-hosted LangSmith Enterprise is the appropriate deployment for EU regulated industries. Open-source framework usage is unrestricted.

Certifications at a Glance

Certification	Dust	LangSmith (LangChain)
ISO 27001	Yes	No
SOC 2 Type II	No	Yes

Overall Verdict

Dust has a clear trust advantage, scoring 23/25 compared to LangSmith (LangChain)'s 13/25. Dust particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Dust or LangSmith (LangChain)?

Dust has a TrustKit score of 23/25 while LangSmith (LangChain) scores 13/25. Dust currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Dust and LangSmith (LangChain) compare on data residency?

Dust scores 5/5 for data residency (Data hosted exclusively in EU (France). French SAS incorporation means EU law governs by default. Internal company data connected to Dust stays in EU infrastructure.), while LangSmith (LangChain) scores 2/5 (Cloud product processes trace data (including prompts and LLM outputs) in US infrastructure. Self-hosted LangSmith Enterprise enables EU data residency. Open-source LangChain framework can run fully on-premise.).

Are Dust and LangSmith (LangChain) GDPR compliant?

Both tools are assessed across five compliance dimensions. Dust has a regulatory fit score of 5/5 and LangSmith (LangChain) scores 2/5. Check the full comparison above for a detailed breakdown.

Explore Each Tool

Dust

View full review →

92%

LangSmith (LangChain)

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52%