LightOn

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

Fireworks AI

Fast, affordable open-source LLM inference API for production AI applications

LightOn

Excellent

22/25

Fireworks AI

Caution

10/25

Score Breakdown

DimensionLightOnFireworks AI

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.

Fireworks AI: US-only data centres. No EU data residency available. Personal data inference requires GDPR SCCs and transfer impact assessment.

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.

1/5

US-only data centres. No EU data residency available. Personal data inference requires GDPR SCCs and transfer impact assessment.

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.

Fireworks AI: California incorporation, subject to US law and CLOUD Act. GDPR DPA available for enterprise customers. No EU legal structure.

5/5

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

2/5

California incorporation, subject to US law and CLOUD Act. GDPR DPA available for enterprise customers. No EU legal structure.

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.

Fireworks AI: Inference data not used for shared model training per privacy policy. Minimal logging for API requests. Reasonable baseline for a developer-focused inference API.

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.

4/5

Inference data not used for shared model training per privacy policy. Minimal logging for API requests. Reasonable baseline for a developer-focused inference API.

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.

Fireworks AI: No published ISO 27001 or SOC 2 Type II certifications as of early 2026. Early-stage company with self-attested security posture. Not yet suitable for enterprise regulated-industry procurement.

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 ISO 27001 or SOC 2 Type II certifications as of early 2026. Early-stage company with self-attested security posture. Not yet suitable for enterprise regulated-industry procurement.

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.

Fireworks AI: Suitable for development, prototyping, and non-personal-data inference workloads. US jurisdiction and lack of certifications make it unsuitable for regulated EU industries without significant additional controls.

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.

2/5

Suitable for development, prototyping, and non-personal-data inference workloads. US jurisdiction and lack of certifications make it unsuitable for regulated EU industries without significant additional controls.

Total Score

22/25

10/25

Best For

LightOn

Best for privacy-conscious teams who need strong data retention controls.

Fireworks AI

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

Fireworks AI vs LightOn: Trust & Compliance Comparison

Fireworks AI (Fireworks AI, US) scores 10/25 overall with a Review Required (Caution) trust badge. Fast, affordable open-source LLM inference API for production AI applications. 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

LightOn leads with 5/5 vs 1/5.

●Fireworks AI (1/5): US-only data centres. No EU data residency available. Personal data inference requires GDPR SCCs and transfer impact assessment.

●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 2/5.

●Fireworks AI (2/5): California incorporation, subject to US law and CLOUD Act. GDPR DPA available for enterprise customers. No EU legal structure.

●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

Both score equally at 4/5.

●Fireworks AI (4/5): Inference data not used for shared model training per privacy policy. Minimal logging for API requests. Reasonable baseline for a developer-focused inference API.

●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.

●Fireworks AI (1/5): No published ISO 27001 or SOC 2 Type II certifications as of early 2026. Early-stage company with self-attested security posture. Not yet suitable for enterprise regulated-industry procurement.

●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 2/5.

●Fireworks AI (2/5): Suitable for development, prototyping, and non-personal-data inference workloads. US jurisdiction and lack of certifications make it unsuitable for regulated EU industries without significant additional controls.

●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	Fireworks AI	LightOn
SOC 2 Type 1	No	Yes

Overall Verdict

LightOn has a clear trust advantage, scoring 22/25 compared to Fireworks AI's 10/25. LightOn particularly excels in data residency, legal jurisdiction, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, LightOn or Fireworks AI?

LightOn has a TrustKit score of 22/25 while Fireworks AI scores 10/25. LightOn currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do LightOn and Fireworks AI 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 Fireworks AI scores 1/5 (US-only data centres. No EU data residency available. Personal data inference requires GDPR SCCs and transfer impact assessment.).

Are LightOn and Fireworks AI GDPR compliant?

Both tools are assessed across five compliance dimensions. LightOn has a regulatory fit score of 5/5 and Fireworks AI scores 2/5. Check the full comparison above for a detailed breakdown.

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