Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
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
Relevance AI
Pros
+No-code builder for complex multi-agent workflows
+Trusted by large enterprises including Canva and Databricks
+2,000+ integrations including calling and meeting agents
+Built-in A/B testing and agent evaluations
Cons
−Enterprise-only pricing — no published self-serve tiers
−GDPR and SOC2 not confirmed from official sources
−Not suitable for individuals or small teams
Our take— Leonardo.ai wins
Based on our comparison of published pricing, features, and compliance data, Leonardo.ai pulls ahead with GDPR compliance and SOC 2 certification. Relevance AI counters with multi-factor authentication. Leonardo.ai scores 7.6/10 to Relevance AI's 7.5/10. Pick Leonardo.ai if GDPR compliance matters; pick Relevance AI if multi-factor authentication matters.