LightOn

Sovereign enterprise GenAI platform deployed on-prem, air-gapped, or EU cloud

Flowise

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

LightOn

Excellent

22/25

Flowise

Strong

17/25

Score Breakdown

DimensionLightOnFlowise

Data Residency

Where is your data stored and processed?

LightOn: Deploys on-premise, in customer VPC, or air-gapped on EU infrastructure, so data never leaves the customer's own security perimeter. Strongest possible residency posture.

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).

5/5

Deploys on-premise, in customer VPC, or air-gapped on EU infrastructure, so data never leaves the customer's own security perimeter. Strongest possible residency posture.

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).

Legal Jurisdiction

Which laws govern the company and your data?

LightOn: French SA incorporated in France, listed on Euronext Growth Paris, with no US parent. Fully under EU/French jurisdiction.

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.

5/5

French SA incorporated in France, listed on Euronext Growth Paris, with no US parent. Fully under EU/French jurisdiction.

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.

Data Retention & Training

Is your data used for model training?

LightOn: In-perimeter deployment means no customer data is sent out or used to train shared models, and retention is governed by the customer's own infrastructure. Scored 4 rather than 5 as public DPA/retention-control documentation is limited.

Flowise: 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

In-perimeter deployment means no customer data is sent out or used to train shared models, and retention is governed by the customer's own infrastructure. Scored 4 rather than 5 as public DPA/retention-control documentation is limited.

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.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

LightOn: Holds SOC 2 Type 1. ISO 27001 and SOC 2 Type II are not confirmed in published sources, and ANSSI SecNumCloud appears to be a positioning goal rather than a confirmed qualification.

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.

3/5

Holds SOC 2 Type 1. ISO 27001 and SOC 2 Type II are not confirmed in published sources, and ANSSI SecNumCloud appears to be a positioning goal rather than a confirmed qualification.

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.

Regulatory Fit

Suitability for regulated industries and professional services

LightOn: Purpose-built for regulated and sovereign EU buyers, with public-sector and defense/aerospace references (CNES, Safran, French tax authority) and GDPR/AI Act alignment.

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.

5/5

Purpose-built for regulated and sovereign EU buyers, with public-sector and defense/aerospace references (CNES, Safran, French tax authority) and GDPR/AI Act alignment.

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.

Total Score

22/25

17/25

Best For

LightOn

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.

Flowise

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

Detailed Comparison

Flowise vs LightOn: 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. LightOn (LightOn, FR) scores 22/25 with a Gold (Excellent) trust badge. Sovereign enterprise GenAI platform deployed on-prem, air-gapped, or EU cloud.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 5/5.

●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).

●LightOn (5/5): Deploys on-premise, in customer VPC, or air-gapped on EU infrastructure, so data never leaves the customer's own security perimeter. Strongest possible residency posture.

#### Legal Jurisdiction

LightOn leads with 5/5 vs 3/5.

●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.

●LightOn (5/5): French SA incorporated in France, listed on Euronext Growth Paris, with no US parent. Fully under EU/French jurisdiction.

#### 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.

●LightOn (4/5): In-perimeter deployment means no customer data is sent out or used to train shared models, and retention is governed by the customer's own infrastructure. Scored 4 rather than 5 as public DPA/retention-control documentation is limited.

#### Certifications

LightOn 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.

●LightOn (3/5): Holds SOC 2 Type 1. ISO 27001 and SOC 2 Type II are not confirmed in published sources, and ANSSI SecNumCloud appears to be a positioning goal rather than a confirmed qualification.

#### Regulatory Fit

LightOn leads with 5/5 vs 3/5.

●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.

●LightOn (5/5): Purpose-built for regulated and sovereign EU buyers, with public-sector and defense/aerospace references (CNES, Safran, French tax authority) and GDPR/AI Act alignment.

Certifications at a Glance

Certification	Flowise	LightOn
SOC 2 Type 1	No	Yes

Overall Verdict

LightOn has a clear trust advantage, scoring 22/25 compared to Flowise's 17/25. LightOn particularly excels in legal jurisdiction, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, LightOn or Flowise?

LightOn has a TrustKit score of 22/25 while Flowise scores 17/25. LightOn currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do LightOn and Flowise compare on data residency?

LightOn scores 5/5 for data residency (Deploys on-premise, in customer VPC, or air-gapped on EU infrastructure, so data never leaves the customer's own security perimeter. Strongest possible residency posture.), while Flowise scores 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).).

Are LightOn and Flowise GDPR compliant?

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

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