LightOn

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

LlamaIndex

Data framework for building LLM applications with your own data and knowledge

LightOn

Excellent

22/25

LlamaIndex

Moderate

16/25

Score Breakdown

DimensionLightOnLlamaIndex

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.

LlamaIndex: Open-source framework: deploy on any EU infrastructure—maximum data sovereignty. LlamaCloud: US-hosted, not recommended for EU sensitive data. Score reflects self-hosted framework path.

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.

4/5

Open-source framework: deploy on any EU infrastructure—maximum data sovereignty. LlamaCloud: US-hosted, not recommended for EU sensitive data. Score reflects self-hosted framework path.

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.

LlamaIndex: US-incorporated but MIT-licensed open-source framework is infrastructure-independent. Self-hosted EU deployments are not subject to vendor jurisdiction. LlamaCloud 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 but MIT-licensed open-source framework is infrastructure-independent. Self-hosted EU deployments are not subject to vendor jurisdiction. LlamaCloud 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.

LlamaIndex: Self-hosted framework: full control over document data, embeddings, and query history. No data sent to LlamaIndex. LlamaCloud has standard SaaS retention. Self-hosted path is the appropriate choice for sensitive EU data.

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 framework: full control over document data, embeddings, and query history. No data sent to LlamaIndex. LlamaCloud has standard SaaS retention. Self-hosted path is the appropriate choice for sensitive EU data.

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.

LlamaIndex: No published independent security certifications. Early-stage company building primarily on open-source distribution. Enterprise security is determined by your own deployment controls.

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

No published independent security certifications. Early-stage company building primarily on open-source distribution. Enterprise security is determined by your own deployment controls.

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.

LlamaIndex: Self-hosted on EU infrastructure enables excellent regulatory compliance. LlamaCloud not recommended for EU regulated industries. Strong choice for technical teams building RAG and knowledge base systems with sovereignty requirements.

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 enables excellent regulatory compliance. LlamaCloud not recommended for EU regulated industries. Strong choice for technical teams building RAG and knowledge base systems with sovereignty requirements.

Total Score

22/25

16/25

Best For

LightOn

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.

LlamaIndex

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

LightOn vs LlamaIndex: Trust & Compliance Comparison

LightOn (LightOn, FR) scores 22/25 overall with a Gold (Excellent) trust badge. Sovereign enterprise GenAI platform deployed on-prem, air-gapped, or EU cloud. LlamaIndex (LlamaIndex, US) scores 16/25 with a Bronze (Moderate) trust badge. Data framework for building LLM applications with your own data and knowledge.

Dimension-by-Dimension Breakdown

#### Data Residency

LightOn leads with 5/5 vs 4/5.

●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.

●LlamaIndex (4/5): Open-source framework: deploy on any EU infrastructure—maximum data sovereignty. LlamaCloud: US-hosted, not recommended for EU sensitive data. Score reflects self-hosted framework path.

#### Legal Jurisdiction

LightOn leads with 5/5 vs 3/5.

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

●LlamaIndex (3/5): US-incorporated but MIT-licensed open-source framework is infrastructure-independent. Self-hosted EU deployments are not subject to vendor jurisdiction. LlamaCloud falls under US jurisdiction.

#### Data Retention & Training

LlamaIndex leads with 5/5 vs 4/5.

●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.

●LlamaIndex (5/5): Self-hosted framework: full control over document data, embeddings, and query history. No data sent to LlamaIndex. LlamaCloud has standard SaaS retention. Self-hosted path is the appropriate choice for sensitive EU data.

#### Certifications

LightOn leads with 3/5 vs 1/5.

●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.

●LlamaIndex (1/5): No published independent security certifications. Early-stage company building primarily on open-source distribution. Enterprise security is determined by your own deployment controls.

#### Regulatory Fit

LightOn leads with 5/5 vs 3/5.

●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.

●LlamaIndex (3/5): Self-hosted on EU infrastructure enables excellent regulatory compliance. LlamaCloud not recommended for EU regulated industries. Strong choice for technical teams building RAG and knowledge base systems with sovereignty requirements.

Certifications at a Glance

Certification	LightOn	LlamaIndex
SOC 2 Type 1	Yes	No

Overall Verdict

LightOn has a clear trust advantage, scoring 22/25 compared to LlamaIndex's 16/25. LightOn particularly excels in data residency, legal jurisdiction, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, LightOn or LlamaIndex?

LightOn has a TrustKit score of 22/25 while LlamaIndex scores 16/25. LightOn currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do LightOn and LlamaIndex 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 LlamaIndex scores 4/5 (Open-source framework: deploy on any EU infrastructure—maximum data sovereignty. LlamaCloud: US-hosted, not recommended for EU sensitive data. Score reflects self-hosted framework path.).

Are LightOn and LlamaIndex GDPR compliant?

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

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