TrustKit.co
Leonardo AI icon

Leonardo AI

Australian AI platform for high-quality image and video generation with fine-tuning

vs
FLUX (Black Forest Labs) icon

FLUX (Black Forest Labs)

State-of-the-art EU-native AI image generation API from Germany

Leonardo AI
36%Caution
9/25
FLUX (Black Forest Labs)
80%Strong
20/25

Score Breakdown

DimensionLeonardo AIFLUX (Black Forest Labs)
Data Residency
Where is your data stored and processed?
Leonardo AI: US-only infrastructure on AWS; no EU data residency option; Australian company with US hosting
FLUX (Black Forest Labs): German-hosted direct API; open-weight models fully self-hostable on any EU infrastructure
1/5
5/5
Legal Jurisdiction
Which laws govern the company and your data?
Leonardo AI: Australian Pty Ltd with US infrastructure; CLOUD Act and CISA data sharing framework applies
FLUX (Black Forest Labs): German GmbH, no US parent entity, EU law applies, GDPR-native jurisdiction
2/5
5/5
Data Retention & Training
Is your data used for model training?
Leonardo AI: Paid tiers excluded from model training; user owns generated content; free tier terms less clear
FLUX (Black Forest Labs): No stated training on API inputs; self-hosted option gives full customer data control
3/5
5/5
Certifications
ISO 27001, SOC 2, Cyber Essentials, etc.
Leonardo AI: No ISO 27001 or SOC 2 certifications published as of early 2026
FLUX (Black Forest Labs): No ISO 27001 or SOC 2 certifications yet — early-stage company as of 2025
1/5
1/5
Regulatory Fit
Suitability for regulated industries and professional services
Leonardo AI: US hosting and lack of certifications limits EU regulated-sector suitability; fine for creative use
FLUX (Black Forest Labs): Strong EU sovereignty profile; lack of formal certs limits suitability for heavily regulated sectors
2/5
4/5
Total Score
9/25
20/25

Best For

Leonardo AI iconLeonardo AI

Best for EU-headquartered organisations needing maximum data sovereignty; regulated industries (BaFin, CNIL); privacy-conscious teams who need strong data retention controls; organisations that need self-hosted or on-premise deployment.

FLUX (Black Forest Labs) iconFLUX (Black Forest Labs)

Best for teams on a tight budget.

Detailed Comparison

FLUX (Black Forest Labs) vs Leonardo AI: Trust & Compliance Comparison

FLUX (Black Forest Labs) (Black Forest Labs, DE) scores 20/25 overall with a Silver (Strong) trust badge. State-of-the-art EU-native AI image generation API from Germany. Leonardo AI (Leonardo AI, AU) scores 9/25 with a Review Required (Caution) trust badge. Australian AI platform for high-quality image and video generation with fine-tuning.

Dimension-by-Dimension Breakdown

#### Data Residency

FLUX (Black Forest Labs) leads with 5/5 vs 1/5.

●FLUX (Black Forest Labs) (5/5): German-hosted direct API; open-weight models fully self-hostable on any EU infrastructure
●Leonardo AI (1/5): US-only infrastructure on AWS; no EU data residency option; Australian company with US hosting

#### Legal Jurisdiction

FLUX (Black Forest Labs) leads with 5/5 vs 2/5.

●FLUX (Black Forest Labs) (5/5): German GmbH, no US parent entity, EU law applies, GDPR-native jurisdiction
●Leonardo AI (2/5): Australian Pty Ltd with US infrastructure; CLOUD Act and CISA data sharing framework applies

#### Data Retention & Training

FLUX (Black Forest Labs) leads with 5/5 vs 3/5.

●FLUX (Black Forest Labs) (5/5): No stated training on API inputs; self-hosted option gives full customer data control
●Leonardo AI (3/5): Paid tiers excluded from model training; user owns generated content; free tier terms less clear

#### Certifications

Both score equally at 1/5.

●FLUX (Black Forest Labs) (1/5): No ISO 27001 or SOC 2 certifications yet — early-stage company as of 2025
●Leonardo AI (1/5): No ISO 27001 or SOC 2 certifications published as of early 2026

#### Regulatory Fit

FLUX (Black Forest Labs) leads with 4/5 vs 2/5.

●FLUX (Black Forest Labs) (4/5): Strong EU sovereignty profile; lack of formal certs limits suitability for heavily regulated sectors
●Leonardo AI (2/5): US hosting and lack of certifications limits EU regulated-sector suitability; fine for creative use

Overall Verdict

FLUX (Black Forest Labs) has a clear trust advantage, scoring 20/25 compared to Leonardo AI's 9/25. FLUX (Black Forest Labs) particularly excels in data residency, legal jurisdiction, data retention & training, regulatory fit.

Frequently Asked Questions

Which is better for EU compliance, Leonardo AI or FLUX (Black Forest Labs)?

Leonardo AI has a TrustKit score of 9/25 while FLUX (Black Forest Labs) scores 20/25. FLUX (Black Forest Labs) currently rates higher across data residency, legal jurisdiction, data retention, certifications, and regulatory fit.

How do Leonardo AI and FLUX (Black Forest Labs) compare on data residency?

Leonardo AI scores 1/5 for data residency (US-only infrastructure on AWS; no EU data residency option; Australian company with US hosting), while FLUX (Black Forest Labs) scores 5/5 (German-hosted direct API; open-weight models fully self-hostable on any EU infrastructure).

Are Leonardo AI and FLUX (Black Forest Labs) GDPR compliant?

Both tools are assessed across five compliance dimensions. Leonardo AI has a regulatory fit score of 2/5 and FLUX (Black Forest Labs) scores 4/5. Check the full comparison above for a detailed breakdown.

Explore Each Tool

Leonardo AI icon
Leonardo AI
View full review →
36%
FLUX (Black Forest Labs) icon
FLUX (Black Forest Labs)
View full review →
80%