OpenAI API

API platform for GPT, DALL-E, Whisper and other foundation models

Nscale

European AI hyperscaler with sovereign GPU cloud infrastructure in Norway and UK

OpenAI API

Moderate

14/25

Nscale

Strong

17/25

Score Breakdown

DimensionOpenAI APINscale

Data Residency

Where is your data stored and processed?

OpenAI API: All data processed on US-based Microsoft Azure infrastructure. No EU data residency option available. Enterprise customers cannot choose hosting region.

Nscale: Norwegian data centres offer EEA data residency with renewable hydropower. UK facilities planned. Customer workloads stay on Nscale infrastructure. Norway option provides strong EU data residency.

2/5

All data processed on US-based Microsoft Azure infrastructure. No EU data residency option available. Enterprise customers cannot choose hosting region.

4/5

Norwegian data centres offer EEA data residency with renewable hydropower. UK facilities planned. Customer workloads stay on Nscale infrastructure. Norway option provides strong EU data residency.

Legal Jurisdiction

Which laws govern the company and your data?

OpenAI API: US Delaware LLC subject to US jurisdiction including CLOUD Act. Offers GDPR-compliant DPA for EU customers, but legal entity is solely US-based.

Nscale: UK incorporation provides GDPR adequacy but UK CLOUD Act equivalent (Investigatory Powers Act) applies. Norwegian data centres under EEA law offer stronger protection for EU workloads.

2/5

US Delaware LLC subject to US jurisdiction including CLOUD Act. Offers GDPR-compliant DPA for EU customers, but legal entity is solely US-based.

3/5

UK incorporation provides GDPR adequacy but UK CLOUD Act equivalent (Investigatory Powers Act) applies. Norwegian data centres under EEA law offer stronger protection for EU workloads.

Data Retention & Training

Is your data used for model training?

OpenAI API: API data not used for model training by default. Zero data retention option available. Clear data retention policies documented. Abuse monitoring data retained for 30 days.

Nscale: Infrastructure provider only—Nscale does not access, process, or retain customer workload data. Customers have full control over their compute environments.

4/5

API data not used for model training by default. Zero data retention option available. Clear data retention policies documented. Abuse monitoring data retained for 30 days.

5/5

Infrastructure provider only—Nscale does not access, process, or retain customer workload data. Customers have full control over their compute environments.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

OpenAI API: SOC 2 Type II certified. GDPR DPA available. No ISO 27001 or C5 certification publicly disclosed.

Nscale: No publicly listed certifications yet. Expected for a fast-growing infrastructure company at this stage. Data centre certifications likely in progress.

3/5

SOC 2 Type II certified. GDPR DPA available. No ISO 27001 or C5 certification publicly disclosed.

2/5

No publicly listed certifications yet. Expected for a fast-growing infrastructure company at this stage. Data centre certifications likely in progress.

Regulatory Fit

Suitability for regulated industries and professional services

OpenAI API: Suitable for many business use cases with appropriate DPA. Enterprise tier offers enhanced compliance. Not ideal for highly regulated EU industries requiring data sovereignty.

Nscale: Strong for organisations needing European GPU compute sovereignty. Norwegian facilities particularly suitable for EU regulated workloads. UK incorporation is adequate but not optimal for strict EU sovereignty requirements.

3/5

Suitable for many business use cases with appropriate DPA. Enterprise tier offers enhanced compliance. Not ideal for highly regulated EU industries requiring data sovereignty.

3/5

Strong for organisations needing European GPU compute sovereignty. Norwegian facilities particularly suitable for EU regulated workloads. UK incorporation is adequate but not optimal for strict EU sovereignty requirements.

Total Score

14/25

17/25

Best For

OpenAI API

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

Nscale

Best for privacy-conscious teams who need strong data retention controls; teams on a tight budget.

Detailed Comparison

Nscale vs OpenAI API: Trust & Compliance Comparison

Nscale (Nscale, GB) scores 17/25 overall with a Silver (Strong) trust badge. European AI hyperscaler with sovereign GPU cloud infrastructure in Norway and UK. OpenAI API (OpenAI, US) scores 14/25 with a Bronze (Moderate) trust badge. API platform for GPT, DALL-E, Whisper and other foundation models.

Dimension-by-Dimension Breakdown

#### Data Residency

Nscale leads with 4/5 vs 2/5.

●Nscale (4/5): Norwegian data centres offer EEA data residency with renewable hydropower. UK facilities planned. Customer workloads stay on Nscale infrastructure. Norway option provides strong EU data residency.

●OpenAI API (2/5): All data processed on US-based Microsoft Azure infrastructure. No EU data residency option available. Enterprise customers cannot choose hosting region.

#### Legal Jurisdiction

Nscale leads with 3/5 vs 2/5.

●Nscale (3/5): UK incorporation provides GDPR adequacy but UK CLOUD Act equivalent (Investigatory Powers Act) applies. Norwegian data centres under EEA law offer stronger protection for EU workloads.

●OpenAI API (2/5): US Delaware LLC subject to US jurisdiction including CLOUD Act. Offers GDPR-compliant DPA for EU customers, but legal entity is solely US-based.

#### Data Retention & Training

Nscale leads with 5/5 vs 4/5.

●Nscale (5/5): Infrastructure provider only—Nscale does not access, process, or retain customer workload data. Customers have full control over their compute environments.

●OpenAI API (4/5): API data not used for model training by default. Zero data retention option available. Clear data retention policies documented. Abuse monitoring data retained for 30 days.

#### Certifications

OpenAI API leads with 3/5 vs 2/5.

●Nscale (2/5): No publicly listed certifications yet. Expected for a fast-growing infrastructure company at this stage. Data centre certifications likely in progress.

●OpenAI API (3/5): SOC 2 Type II certified. GDPR DPA available. No ISO 27001 or C5 certification publicly disclosed.

#### Regulatory Fit

Both score equally at 3/5.

●Nscale (3/5): Strong for organisations needing European GPU compute sovereignty. Norwegian facilities particularly suitable for EU regulated workloads. UK incorporation is adequate but not optimal for strict EU sovereignty requirements.

●OpenAI API (3/5): Suitable for many business use cases with appropriate DPA. Enterprise tier offers enhanced compliance. Not ideal for highly regulated EU industries requiring data sovereignty.

Certifications at a Glance

Certification	Nscale	OpenAI API
GDPR DPA	No	Yes
SOC 2 Type II	No	Yes

Overall Verdict

Nscale has a clear trust advantage, scoring 17/25 compared to OpenAI API's 14/25. Nscale particularly excels in data residency, legal jurisdiction, data retention & training.

Frequently Asked Questions

Which is better for EU compliance, OpenAI API or Nscale?

OpenAI API has a TrustKit score of 14/25 while Nscale scores 17/25. Nscale currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do OpenAI API and Nscale compare on data residency?

OpenAI API scores 2/5 for data residency (All data processed on US-based Microsoft Azure infrastructure. No EU data residency option available. Enterprise customers cannot choose hosting region.), while Nscale scores 4/5 (Norwegian data centres offer EEA data residency with renewable hydropower. UK facilities planned. Customer workloads stay on Nscale infrastructure. Norway option provides strong EU data residency.).

Are OpenAI API and Nscale GDPR compliant?

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

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