Flowise

Open-source low-code tool for building LLM applications and AI agents visually

LangSmith (LangChain)

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

Flowise

Strong

17/25

LangSmith (LangChain)

Moderate

13/25

Score Breakdown

DimensionFlowiseLangSmith (LangChain)

Data Residency

Where is your data stored and processed?

Flowise: Self-hosted deployment provides maximum data sovereignty—data stays entirely within your own infrastructure. Score reflects self-hosted path. Cloud product is US-hosted (score 1).

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

Self-hosted deployment provides maximum data sovereignty—data stays entirely within your own infrastructure. Score reflects self-hosted path. Cloud product is US-hosted (score 1).

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?

Flowise: US-incorporated company but open-source Apache 2.0 licence means self-hosted instances are independent of vendor jurisdiction. For self-hosted EU deployments, your infrastructure jurisdiction governs. Cloud product falls under US jurisdiction.

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.

3/5

US-incorporated company but open-source Apache 2.0 licence means self-hosted instances are independent of vendor jurisdiction. For self-hosted EU deployments, your infrastructure jurisdiction governs. Cloud product falls under US jurisdiction.

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?

Flowise: Self-hosted: full control over all data lifecycle. No data leaves your infrastructure. Conversation history, documents, and embeddings are entirely under your management.

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

Self-hosted: full control over all data lifecycle. No data leaves your infrastructure. Conversation history, documents, and embeddings are entirely under your management.

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.

Flowise: Early-stage company with no published independent security certifications. Open-source self-hosted path means your own security controls apply. Cloud product has no published certifications.

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

1/5

Early-stage company with no published independent security certifications. Open-source self-hosted path means your own security controls apply. Cloud product has no published certifications.

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

Flowise: Self-hosted on EU infrastructure with EU-sovereign LLM providers achieves excellent regulatory fit for EU organisations. Cloud product not recommended for regulated EU industries. Good choice for technical teams building sovereignty-first AI applications.

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.

3/5

Self-hosted on EU infrastructure with EU-sovereign LLM providers achieves excellent regulatory fit for EU organisations. Cloud product not recommended for regulated EU industries. Good choice for technical teams building sovereignty-first AI applications.

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

17/25

13/25

Best For

Flowise

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.

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; enterprises requiring SSO integration.

Detailed Comparison

Flowise vs LangSmith (LangChain): Trust & Compliance Comparison

Flowise (FlowiseAI, US) scores 17/25 overall with a Silver (Strong) trust badge. Open-source low-code tool for building LLM applications and AI agents visually. 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

Flowise leads with 5/5 vs 2/5.

●Flowise (5/5): Self-hosted deployment provides maximum data sovereignty—data stays entirely within your own infrastructure. Score reflects self-hosted path. Cloud product is US-hosted (score 1).

●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

Flowise leads with 3/5 vs 2/5.

●Flowise (3/5): US-incorporated company but open-source Apache 2.0 licence means self-hosted instances are independent of vendor jurisdiction. For self-hosted EU deployments, your infrastructure jurisdiction governs. Cloud product falls under US jurisdiction.

●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

Flowise leads with 5/5 vs 4/5.

●Flowise (5/5): Self-hosted: full control over all data lifecycle. No data leaves your infrastructure. Conversation history, documents, and embeddings are entirely under your management.

●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

LangSmith (LangChain) leads with 3/5 vs 1/5.

●Flowise (1/5): Early-stage company with no published independent security certifications. Open-source self-hosted path means your own security controls apply. Cloud product has no published certifications.

●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

Flowise leads with 3/5 vs 2/5.

●Flowise (3/5): Self-hosted on EU infrastructure with EU-sovereign LLM providers achieves excellent regulatory fit for EU organisations. Cloud product not recommended for regulated EU industries. Good choice for technical teams building sovereignty-first AI applications.

●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	Flowise	LangSmith (LangChain)
SOC 2 Type II	No	Yes

Overall Verdict

Flowise has a clear trust advantage, scoring 17/25 compared to LangSmith (LangChain)'s 13/25. Flowise particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

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

Flowise has a TrustKit score of 17/25 while LangSmith (LangChain) scores 13/25. Flowise currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

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

Flowise scores 5/5 for data residency (Self-hosted deployment provides maximum data sovereignty—data stays entirely within your own infrastructure. Score reflects self-hosted path. Cloud product is US-hosted (score 1).), 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 Flowise and LangSmith (LangChain) GDPR compliant?

Both tools are assessed across five compliance dimensions. Flowise has a regulatory fit score of 3/5 and LangSmith (LangChain) scores 2/5. Check the full comparison above for a detailed breakdown.

Explore Each Tool

Flowise

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LangSmith (LangChain)

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52%