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
Windsurf
Pros
+Agentic coding with multi-step task planning built directly into the editor
+UK GDPR and EEA data rights confirmed in Cognition privacy policy
+Free tier available — Devin Desktop IDE at no cost
+Integrates VS Code and Cursor configurations out of the box
Cons
−Rebranded from Windsurf to Devin Desktop — product identity in transition
−Trains on user code by default — confirmed from Cognition privacy policy
−SOC2 and ISO 27001 not confirmed from official sources
−Pricing sourced from Cognition blog post (April 2026), not a live pricing page
Our take— Leonardo.ai wins
Based on our comparison of published pricing, features, and compliance data, Leonardo.ai pulls ahead with SOC 2 certification and API access. Windsurf counters with enterprise-grade readiness. Leonardo.ai scores 7.6/10 to Windsurf's 7.6/10. Pick Leonardo.ai if SOC 2 certification matters; pick Windsurf if you need enterprise-grade readiness.