Grok (xAI)

Elon Musk's AI assistant built into X, powered by xAI's Grok models

Meta AI / Llama

Meta's AI assistant and open-weights Llama models for self-hosted deployment

Grok (xAI)

Risk

5/25

Meta AI / Llama

Caution

8/25

Score Breakdown

DimensionGrok (xAI)Meta AI / Llama

Data Residency

Where is your data stored and processed?

Grok (xAI): Data processed exclusively in the US with no EU data residency option. No regional data hosting controls available for enterprise or API users.

Meta AI / Llama: Hosted Meta AI processes data in US data centres with no EU residency option. Self-hosted Llama deployments can achieve a score of 5 with EU-region infrastructure. Scores here reflect the hosted product.

1/5

Data processed exclusively in the US with no EU data residency option. No regional data hosting controls available for enterprise or API users.

1/5

Hosted Meta AI processes data in US data centres with no EU residency option. Self-hosted Llama deployments can achieve a score of 5 with EU-region infrastructure. Scores here reflect the hosted product.

Legal Jurisdiction

Which laws govern the company and your data?

Grok (xAI): xAI Corp. is a US company subject to the CLOUD Act and US federal law. Elon Musk's ownership and X (Twitter) integration adds regulatory and reputational risk for EU data subjects. No meaningful SCCs or DPA framework published.

Meta AI / Llama: Meta Platforms Inc. is a US company subject to the CLOUD Act and has been repeatedly fined by EU DPAs for GDPR violations. Multiple rulings against Meta's data transfer mechanisms make the hosted product high-risk for EU businesses.

1/5

xAI Corp. is a US company subject to the CLOUD Act and US federal law. Elon Musk's ownership and X (Twitter) integration adds regulatory and reputational risk for EU data subjects. No meaningful SCCs or DPA framework published.

1/5

Meta Platforms Inc. is a US company subject to the CLOUD Act and has been repeatedly fined by EU DPAs for GDPR violations. Multiple rulings against Meta's data transfer mechanisms make the hosted product high-risk for EU businesses.

Data Retention & Training

Is your data used for model training?

Grok (xAI): xAI has used X/Twitter user data for model training. Opt-out mechanisms are limited and not enterprise-grade. Data retention policies are not transparent or configurable for business users.

Meta AI / Llama: Hosted Meta AI interactions may be used to improve Meta's models under default settings. Self-hosted Llama: no data retention or training by the model provider. Scores reflect the hosted product with limited user controls.

1/5

xAI has used X/Twitter user data for model training. Opt-out mechanisms are limited and not enterprise-grade. Data retention policies are not transparent or configurable for business users.

2/5

Hosted Meta AI interactions may be used to improve Meta's models under default settings. Self-hosted Llama: no data retention or training by the model provider. Scores reflect the hosted product with limited user controls.

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Grok (xAI): No published ISO 27001, SOC 2 Type II, or any recognised third-party security certification as of early 2026. Compliance posture is not verifiable through independent audit.

Meta AI / Llama: Meta's core infrastructure holds SOC 2 Type II and ISO 27001 certifications for its platform services. However, these certifications cover Meta's broader infrastructure and are not specific to the AI assistant product.

1/5

No published ISO 27001, SOC 2 Type II, or any recognised third-party security certification as of early 2026. Compliance posture is not verifiable through independent audit.

3/5

Meta's core infrastructure holds SOC 2 Type II and ISO 27001 certifications for its platform services. However, these certifications cover Meta's broader infrastructure and are not specific to the AI assistant product.

Regulatory Fit

Suitability for regulated industries and professional services

Grok (xAI): Not suitable for regulated EU industries. Fails to meet baseline requirements for GDPR-compliant AI deployment. European DPOs should treat Grok as a high-risk tool and restrict its use for any business processing.

Meta AI / Llama: Hosted Meta AI is not suitable for regulated EU industries. Meta's track record with European regulators is one of the weakest among major technology companies. Self-hosted Llama is an excellent option for EU sovereignty when deployed responsibly.

1/5

Not suitable for regulated EU industries. Fails to meet baseline requirements for GDPR-compliant AI deployment. European DPOs should treat Grok as a high-risk tool and restrict its use for any business processing.

1/5

Hosted Meta AI is not suitable for regulated EU industries. Meta's track record with European regulators is one of the weakest among major technology companies. Self-hosted Llama is an excellent option for EU sovereignty when deployed responsibly.

Total Score

5/25

8/25

Best For

Grok (xAI)

Best for teams on a tight budget.

Meta AI / Llama

Best for organisations that need self-hosted or on-premise deployment; teams on a tight budget.

Detailed Comparison

Grok (xAI) vs Meta AI / Llama: Trust & Compliance Comparison

Grok (xAI) (xAI, US) scores 5/25 overall with a Not Recommended (Risk) trust badge. Elon Musk's AI assistant built into X, powered by xAI's Grok models. Meta AI / Llama (Meta Platforms, US) scores 8/25 with a Review Required (Caution) trust badge. Meta's AI assistant and open-weights Llama models for self-hosted deployment.

Dimension-by-Dimension Breakdown

#### Data Residency

Both score equally at 1/5.

●Grok (xAI) (1/5): Data processed exclusively in the US with no EU data residency option. No regional data hosting controls available for enterprise or API users.

●Meta AI / Llama (1/5): Hosted Meta AI processes data in US data centres with no EU residency option. Self-hosted Llama deployments can achieve a score of 5 with EU-region infrastructure. Scores here reflect the hosted product.

#### Legal Jurisdiction

Both score equally at 1/5.

●Grok (xAI) (1/5): xAI Corp. is a US company subject to the CLOUD Act and US federal law. Elon Musk's ownership and X (Twitter) integration adds regulatory and reputational risk for EU data subjects. No meaningful SCCs or DPA framework published.

●Meta AI / Llama (1/5): Meta Platforms Inc. is a US company subject to the CLOUD Act and has been repeatedly fined by EU DPAs for GDPR violations. Multiple rulings against Meta's data transfer mechanisms make the hosted product high-risk for EU businesses.

#### Data Retention & Training

Meta AI / Llama leads with 2/5 vs 1/5.

●Grok (xAI) (1/5): xAI has used X/Twitter user data for model training. Opt-out mechanisms are limited and not enterprise-grade. Data retention policies are not transparent or configurable for business users.

●Meta AI / Llama (2/5): Hosted Meta AI interactions may be used to improve Meta's models under default settings. Self-hosted Llama: no data retention or training by the model provider. Scores reflect the hosted product with limited user controls.

#### Certifications

Meta AI / Llama leads with 3/5 vs 1/5.

●Grok (xAI) (1/5): No published ISO 27001, SOC 2 Type II, or any recognised third-party security certification as of early 2026. Compliance posture is not verifiable through independent audit.

●Meta AI / Llama (3/5): Meta's core infrastructure holds SOC 2 Type II and ISO 27001 certifications for its platform services. However, these certifications cover Meta's broader infrastructure and are not specific to the AI assistant product.

#### Regulatory Fit

Both score equally at 1/5.

●Grok (xAI) (1/5): Not suitable for regulated EU industries. Fails to meet baseline requirements for GDPR-compliant AI deployment. European DPOs should treat Grok as a high-risk tool and restrict its use for any business processing.

●Meta AI / Llama (1/5): Hosted Meta AI is not suitable for regulated EU industries. Meta's track record with European regulators is one of the weakest among major technology companies. Self-hosted Llama is an excellent option for EU sovereignty when deployed responsibly.

Certifications at a Glance

Certification	Grok (xAI)	Meta AI / Llama
ISO 27001	No	Yes
SOC 2 Type II	No	Yes

Overall Verdict

Meta AI / Llama has a clear trust advantage, scoring 8/25 compared to Grok (xAI)'s 5/25. Meta AI / Llama particularly excels in data retention & training, certifications.

Frequently Asked Questions

Which is better for EU compliance, Grok (xAI) or Meta AI / Llama?

Grok (xAI) has a TrustKit score of 5/25 while Meta AI / Llama scores 8/25. Meta AI / Llama currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Grok (xAI) and Meta AI / Llama compare on data residency?

Grok (xAI) scores 1/5 for data residency (Data processed exclusively in the US with no EU data residency option. No regional data hosting controls available for enterprise or API users.), while Meta AI / Llama scores 1/5 (Hosted Meta AI processes data in US data centres with no EU residency option. Self-hosted Llama deployments can achieve a score of 5 with EU-region infrastructure. Scores here reflect the hosted product.).

Are Grok (xAI) and Meta AI / Llama GDPR compliant?

Both tools are assessed across five compliance dimensions. Grok (xAI) has a regulatory fit score of 1/5 and Meta AI / Llama scores 1/5. Check the full comparison above for a detailed breakdown.

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