Noxtua

Europe's sovereign legal AI with its own European-trained legal LLM

Guru

AI enterprise knowledge management that surfaces the right information in the right workflow

Noxtua

Excellent

25/25

Guru

Moderate

13/25

Score Breakdown

DimensionNoxtuaGuru

Data Residency

Where is your data stored and processed?

Noxtua: Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.

Guru: Hosted on AWS US region; no EU or regional data residency options publicly available

5/5

Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.

2/5

Hosted on AWS US region; no EU or regional data residency options publicly available

Legal Jurisdiction

Which laws govern the company and your data?

Noxtua: Incorporated in Germany as Noxtua SE (formerly Xayn AG), an EU/EEA entity with no US parent. Designed to meet German professional-secrecy law (§ 43e BRAO, § 203 StGB).

Guru: US Delaware corporation subject to CLOUD Act; GDPR DPA available; SCCs for EU data transfers

5/5

Incorporated in Germany as Noxtua SE (formerly Xayn AG), an EU/EEA entity with no US parent. Designed to meet German professional-secrecy law (§ 43e BRAO, § 203 StGB).

2/5

US Delaware corporation subject to CLOUD Act; GDPR DPA available; SCCs for EU data transfers

Data Retention & Training

Is your data used for model training?

Noxtua: Explicitly states customer data is never used to train, retrain or improve AI models, with sovereign/on-premise deployment and enterprise DPA-level controls. Specific configurable retention windows are not publicly detailed but the no-training and isolation posture is strong.

Guru: Customer knowledge content not used for model training; configurable retention and deletion; GDPR-compliant DPA

5/5

Explicitly states customer data is never used to train, retrain or improve AI models, with sovereign/on-premise deployment and enterprise DPA-level controls. Specific configurable retention windows are not publicly detailed but the no-training and isolation posture is strong.

4/5

Customer knowledge content not used for model training; configurable retention and deletion; GDPR-compliant DPA

Certifications

ISO 27001, SOC 2, Cyber Essentials, etc.

Noxtua: Extensive published certification stack: ISO 42001 (first German company), ISO 27001, 27017, 27018, 9001, plus BSI C5 and TISAX. No SOC 2 (US-oriented), but European sector and AI-specific certifications exceed the baseline.

Guru: SOC 2 Type II certified; no ISO 27001 or additional certifications publicly confirmed

5/5

Extensive published certification stack: ISO 42001 (first German company), ISO 27001, 27017, 27018, 9001, plus BSI C5 and TISAX. No SOC 2 (US-oriented), but European sector and AI-specific certifications exceed the baseline.

2/5

SOC 2 Type II certified; no ISO 27001 or additional certifications publicly confirmed

Regulatory Fit

Suitability for regulated industries and professional services

Noxtua: Purpose-built for regulated EU legal work, explicitly meeting attorney confidentiality and professional-secrecy requirements, with backing from major law firms and legal publishers. Suitable for the most demanding EU regulated legal and public-sector use.

Guru: Verification and governance model well-suited to compliance knowledge management; limited data residency options

5/5

Purpose-built for regulated EU legal work, explicitly meeting attorney confidentiality and professional-secrecy requirements, with backing from major law firms and legal publishers. Suitable for the most demanding EU regulated legal and public-sector use.

3/5

Verification and governance model well-suited to compliance knowledge management; limited data residency options

Total Score

25/25

13/25

Best For

Noxtua

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

Guru

Best for EU-headquartered organisations needing maximum data sovereignty; organisations requiring broad certification coverage (ISO 42001, ISO 27001, ISO 27017); regulated industries (BfDI, BaFin); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

Detailed Comparison

Guru vs Noxtua: Trust & Compliance Comparison

Guru (Guru Technologies, US) scores 13/25 overall with a Bronze (Moderate) trust badge. AI enterprise knowledge management that surfaces the right information in the right workflow. Noxtua (Noxtua, DE) scores 25/25 with a Gold (Excellent) trust badge. Europe's sovereign legal AI with its own European-trained legal LLM.

Dimension-by-Dimension Breakdown

#### Data Residency

Noxtua leads with 5/5 vs 2/5.

●Guru (2/5): Hosted on AWS US region; no EU or regional data residency options publicly available

●Noxtua (5/5): Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.

#### Legal Jurisdiction

Noxtua leads with 5/5 vs 2/5.

●Guru (2/5): US Delaware corporation subject to CLOUD Act; GDPR DPA available; SCCs for EU data transfers

●Noxtua (5/5): Incorporated in Germany as Noxtua SE (formerly Xayn AG), an EU/EEA entity with no US parent. Designed to meet German professional-secrecy law (§ 43e BRAO, § 203 StGB).

#### Data Retention & Training

Noxtua leads with 5/5 vs 4/5.

●Guru (4/5): Customer knowledge content not used for model training; configurable retention and deletion; GDPR-compliant DPA

●Noxtua (5/5): Explicitly states customer data is never used to train, retrain or improve AI models, with sovereign/on-premise deployment and enterprise DPA-level controls. Specific configurable retention windows are not publicly detailed but the no-training and isolation posture is strong.

#### Certifications

Noxtua leads with 5/5 vs 2/5.

●Guru (2/5): SOC 2 Type II certified; no ISO 27001 or additional certifications publicly confirmed

●Noxtua (5/5): Extensive published certification stack: ISO 42001 (first German company), ISO 27001, 27017, 27018, 9001, plus BSI C5 and TISAX. No SOC 2 (US-oriented), but European sector and AI-specific certifications exceed the baseline.

#### Regulatory Fit

Noxtua leads with 5/5 vs 3/5.

●Guru (3/5): Verification and governance model well-suited to compliance knowledge management; limited data residency options

●Noxtua (5/5): Purpose-built for regulated EU legal work, explicitly meeting attorney confidentiality and professional-secrecy requirements, with backing from major law firms and legal publishers. Suitable for the most demanding EU regulated legal and public-sector use.

Certifications at a Glance

Certification	Guru	Noxtua
BSI C5	No	Yes
ISO 27001	No	Yes
ISO 27017	No	Yes
ISO 27018	No	Yes
ISO 42001	No	Yes
ISO 9001	No	Yes
SOC 2 Type II	Yes	No
TISAX	No	Yes

Overall Verdict

Noxtua has a clear trust advantage, scoring 25/25 compared to Guru's 13/25. Noxtua particularly excels in data residency, legal jurisdiction, data retention & training, certifications, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Noxtua or Guru?

Noxtua has a TrustKit score of 25/25 while Guru scores 13/25. Noxtua currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Noxtua and Guru compare on data residency?

Noxtua scores 5/5 for data residency (Processing occurs exclusively on European infrastructure (Open Telekom Cloud by Deutsche Telekom and IONOS) with no connection to US cloud providers, plus an on-premise deployment option. Best-in-class EU data residency.), while Guru scores 2/5 (Hosted on AWS US region; no EU or regional data residency options publicly available).

Are Noxtua and Guru GDPR compliant?

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

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