Prediction Guard

Privacy-first LLM API with built-in compliance and safety controls

deepset (Haystack)

German AI company behind Haystack — the open-source framework for building production RAG and agent applications

Prediction Guard

Strong

20/25

deepset (Haystack)

Excellent

24/25

Score Breakdown

DimensionPrediction Guarddeepset (Haystack)

Data Residency

Where is your data stored and processed?

Prediction Guard: Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.

deepset (Haystack): EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.

4/5

Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.

5/5

EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.

Legal Jurisdiction

Which laws govern the company and your data?

Prediction Guard: US Delaware corporation. Subject to US jurisdiction. However, on-premise deployment mitigates many jurisdiction concerns for EU customers.

deepset (Haystack): German GmbH, fully under EU law. Berlin headquarters. No US parent company. Investors include EU and US VCs but corporate governance remains German.

3/5

US Delaware corporation. Subject to US jurisdiction. However, on-premise deployment mitigates many jurisdiction concerns for EU customers.

5/5

German GmbH, fully under EU law. Berlin headquarters. No US parent company. Investors include EU and US VCs but corporate governance remains German.

Data Retention & Training

Is your data used for model training?

Prediction Guard: No customer data used for training. Built-in PII redaction. Configurable data retention. On-premise option means data never leaves customer infrastructure.

deepset (Haystack): Terms restrict data use to anonymised system data only. No explicit public 'we don't train' statement, but contractual restrictions are clear. Self-hosted gives full control.

5/5

No customer data used for training. Built-in PII redaction. Configurable data retention. On-premise option means data never leaves customer infrastructure.

4/5

Terms restrict data use to anonymised system data only. No explicit public 'we don't train' statement, but contractual restrictions are clear. Self-hosted gives full control.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Prediction Guard: SOC 2 Type II certified. HIPAA BAA available. Strong compliance posture for a startup. No ISO 27001 yet.

deepset (Haystack): SOC 2 Type II, ISO 27001, HIPAA, and CSA STAR Level 1. Comprehensive certification suite for enterprise procurement. Third-party DPO (secjur).

4/5

SOC 2 Type II certified. HIPAA BAA available. Strong compliance posture for a startup. No ISO 27001 yet.

5/5

SOC 2 Type II, ISO 27001, HIPAA, and CSA STAR Level 1. Comprehensive certification suite for enterprise procurement. Third-party DPO (secjur).

Regulatory Fit

Suitability for regulated industries and professional services

Prediction Guard: Purpose-built for regulated industries. HIPAA compliant for healthcare. Safety controls address key regulatory concerns around AI outputs in sensitive contexts.

deepset (Haystack): German GmbH with EU hosting, self-hosting option, and strong certifications. One of the best-positioned AI developer tools for EU regulated industries including financial services and healthcare.

4/5

Purpose-built for regulated industries. HIPAA compliant for healthcare. Safety controls address key regulatory concerns around AI outputs in sensitive contexts.

5/5

German GmbH with EU hosting, self-hosting option, and strong certifications. One of the best-positioned AI developer tools for EU regulated industries including financial services and healthcare.

Total Score

20/25

24/25

Best For

Prediction Guard

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (SOC 2 Type II, ISO 27001, CSA STAR Level 1); regulated industries (BaFin, CNIL); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment; teams on a tight budget.

deepset (Haystack)

Best for regulated industries (HHS, FDA); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Detailed Comparison

deepset (Haystack) vs Prediction Guard: Trust & Compliance Comparison

deepset (Haystack) (deepset, DE) scores 24/25 overall with a Gold (Excellent) trust badge. German AI company behind Haystack — the open-source framework for building production RAG and agent applications. Prediction Guard (Prediction Guard, US) scores 20/25 with a Silver (Strong) trust badge. Privacy-first LLM API with built-in compliance and safety controls.

Dimension-by-Dimension Breakdown

#### Data Residency

deepset (Haystack) leads with 5/5 vs 4/5.

●deepset (Haystack) (5/5): EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.

●Prediction Guard (4/5): Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.

#### Legal Jurisdiction

deepset (Haystack) leads with 5/5 vs 3/5.

●deepset (Haystack) (5/5): German GmbH, fully under EU law. Berlin headquarters. No US parent company. Investors include EU and US VCs but corporate governance remains German.

●Prediction Guard (3/5): US Delaware corporation. Subject to US jurisdiction. However, on-premise deployment mitigates many jurisdiction concerns for EU customers.

#### Data Retention & Training

Prediction Guard leads with 5/5 vs 4/5.

●deepset (Haystack) (4/5): Terms restrict data use to anonymised system data only. No explicit public 'we don't train' statement, but contractual restrictions are clear. Self-hosted gives full control.

●Prediction Guard (5/5): No customer data used for training. Built-in PII redaction. Configurable data retention. On-premise option means data never leaves customer infrastructure.

#### Certifications

deepset (Haystack) leads with 5/5 vs 4/5.

●deepset (Haystack) (5/5): SOC 2 Type II, ISO 27001, HIPAA, and CSA STAR Level 1. Comprehensive certification suite for enterprise procurement. Third-party DPO (secjur).

●Prediction Guard (4/5): SOC 2 Type II certified. HIPAA BAA available. Strong compliance posture for a startup. No ISO 27001 yet.

#### Regulatory Fit

deepset (Haystack) leads with 5/5 vs 4/5.

●deepset (Haystack) (5/5): German GmbH with EU hosting, self-hosting option, and strong certifications. One of the best-positioned AI developer tools for EU regulated industries including financial services and healthcare.

●Prediction Guard (4/5): Purpose-built for regulated industries. HIPAA compliant for healthcare. Safety controls address key regulatory concerns around AI outputs in sensitive contexts.

Certifications at a Glance

Certification	deepset (Haystack)	Prediction Guard
CSA STAR Level 1	Yes	No
HIPAA BAA	No	Yes
ISO 27001	Yes	No
SOC 2 Type II	Yes	Yes

Overall Verdict

deepset (Haystack) has a clear trust advantage, scoring 24/25 compared to Prediction Guard's 20/25. deepset (Haystack) particularly excels in data residency, legal jurisdiction, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Prediction Guard or deepset (Haystack)?

Prediction Guard has a TrustKit score of 20/25 while deepset (Haystack) scores 24/25. deepset (Haystack) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Prediction Guard and deepset (Haystack) compare on data residency?

Prediction Guard scores 4/5 for data residency (Offers EU deployment options alongside US hosting. VPC and on-premise deployments available for full data sovereignty. Flexible hosting model.), while deepset (Haystack) scores 5/5 (EU hosting available for managed platform. On-premises and air-gapped deployments fully supported. Open-source framework runs entirely locally with zero external data flow.).

Are Prediction Guard and deepset (Haystack) GDPR compliant?

Both tools are assessed across five compliance dimensions. Prediction Guard has a regulatory fit score of 4/5 and deepset (Haystack) scores 5/5. Check the full comparison above for a detailed breakdown.

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