Fireworks AI

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

Nebius AI

European GPU cloud and LLM inference platform built for AI-native businesses

Fireworks AI

Caution

10/25

Nebius AI

Strong

20/25

Score Breakdown

DimensionFireworks AINebius AI

Data Residency

Where is your data stored and processed?

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

Nebius AI: Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.

1/5

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

5/5

Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.

Legal Jurisdiction

Which laws govern the company and your data?

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

Nebius AI: Incorporated as Nebius Group N.V. under Dutch law. EU legal jurisdiction applies, with no CLOUD Act exposure. Corporate history as Yandex spin-off warrants due diligence on ownership structure, but current governance is EU-based.

2/5

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

4/5

Incorporated as Nebius Group N.V. under Dutch law. EU legal jurisdiction applies, with no CLOUD Act exposure. Corporate history as Yandex spin-off warrants due diligence on ownership structure, but current governance is EU-based.

Data Retention & Training

Is your data used for model training?

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.

Nebius AI: Customer inference requests and training data are not used to train shared models. Tenant isolation architecture. GDPR-compliant data processing posture with configurable retention for enterprise customers.

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.

4/5

Customer inference requests and training data are not used to train shared models. Tenant isolation architecture. GDPR-compliant data processing posture with configurable retention for enterprise customers.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

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.

Nebius AI: ISO 27001 certification in place. As a relatively new independent entity, the broader certification portfolio (SOC 2 Type II, ISO 27701) is still developing. Expect maturation over 2025-2026.

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.

3/5

ISO 27001 certification in place. As a relatively new independent entity, the broader certification portfolio (SOC 2 Type II, ISO 27701) is still developing. Expect maturation over 2025-2026.

Regulatory Fit

Suitability for regulated industries and professional services

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.

Nebius AI: Excellent fit for European organisations building AI applications and needing EU-sovereign inference infrastructure. Dutch incorporation, EU data centres, and GDPR-compliant DPA make this suitable for most regulated EU use cases. Financial services and healthcare organisations should review specifics with Nebius.

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.

4/5

Excellent fit for European organisations building AI applications and needing EU-sovereign inference infrastructure. Dutch incorporation, EU data centres, and GDPR-compliant DPA make this suitable for most regulated EU use cases. Financial services and healthcare organisations should review specifics with Nebius.

Total Score

10/25

20/25

Best For

Fireworks AI

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

Nebius AI

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (CNIL, BaFin); privacy-conscious teams who need strong data retention controls; enterprises requiring SSO integration.

Detailed Comparison

Fireworks AI vs Nebius AI: 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. Nebius AI (Nebius, NL) scores 20/25 with a Silver (Strong) trust badge. European GPU cloud and LLM inference platform built for AI-native businesses.

Dimension-by-Dimension Breakdown

#### Data Residency

Nebius AI 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.

●Nebius AI (5/5): Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.

#### Legal Jurisdiction

Nebius AI leads with 4/5 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.

●Nebius AI (4/5): Incorporated as Nebius Group N.V. under Dutch law. EU legal jurisdiction applies, with no CLOUD Act exposure. Corporate history as Yandex spin-off warrants due diligence on ownership structure, but current governance is EU-based.

#### 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.

●Nebius AI (4/5): Customer inference requests and training data are not used to train shared models. Tenant isolation architecture. GDPR-compliant data processing posture with configurable retention for enterprise customers.

#### Certifications

Nebius AI 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.

●Nebius AI (3/5): ISO 27001 certification in place. As a relatively new independent entity, the broader certification portfolio (SOC 2 Type II, ISO 27701) is still developing. Expect maturation over 2025-2026.

#### Regulatory Fit

Nebius AI leads with 4/5 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.

●Nebius AI (4/5): Excellent fit for European organisations building AI applications and needing EU-sovereign inference infrastructure. Dutch incorporation, EU data centres, and GDPR-compliant DPA make this suitable for most regulated EU use cases. Financial services and healthcare organisations should review specifics with Nebius.

Certifications at a Glance

Certification	Fireworks AI	Nebius AI
ISO 27001	No	Yes

Overall Verdict

Nebius AI has a clear trust advantage, scoring 20/25 compared to Fireworks AI's 10/25. Nebius AI particularly excels in data residency, legal jurisdiction, certifications, regulatory fit.

Frequently Asked Questions

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

Fireworks AI has a TrustKit score of 10/25 while Nebius AI scores 20/25. Nebius AI currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Fireworks AI and Nebius AI compare on data residency?

Fireworks AI scores 1/5 for data residency (US-only data centres. No EU data residency available. Personal data inference requires GDPR SCCs and transfer impact assessment.), while Nebius AI scores 5/5 (Data centres located in Finland and the Netherlands—both EU member states. Inference and compute workloads remain within EU borders. Strong data residency story for European AI builders.).

Are Fireworks AI and Nebius AI GDPR compliant?

Both tools are assessed across five compliance dimensions. Fireworks AI has a regulatory fit score of 2/5 and Nebius AI scores 4/5. Check the full comparison above for a detailed breakdown.

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