Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Replit
Pros
+GDPR compliant with EU representative appointed (confirmed from privacy policy)
+Build, run, and host in a single browser-based environment
+Free Starter tier with daily AI agent credits — no card required
+Enterprise plan includes single-tenant environments and SSO
Cons
−SOC2 not confirmed from official sources
−Core and Pro tiers priced in credits — actual usage cost unpredictable
−Less capable than desktop IDEs for large, complex codebases
Leonardo.ai
Pros
+GDPR compliant — UK GDPR and EU GDPR explicitly listed in ToS
+Free tier confirmed in ToS — usable without payment
+API available with separate billing for developer integration
+Wide range of fine-tuned models for games, concept art, and illustration
Cons
−Pricing not verified — official site inaccessible to automated tools; check leonardo.ai for current plans
−Free user content used to train AI models — paid private content exempt
−SOC2 and ISO 27001 not confirmed from official sources
Our take— Replit wins
Based on our comparison of published pricing, features, and compliance data, Replit pulls ahead with multi-factor authentication and a no-training-on-your-data policy. Leonardo.ai counters with SOC 2 certification. Replit scores 7.8/10 to Leonardo.ai's 7.6/10. Pick Replit if multi-factor authentication matters; pick Leonardo.ai if SOC 2 certification matters.