Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Kling AI
Pros
+Wide creative tooling: text-to-video, image-to-video, AI avatars, lip-sync, and motion control
+Developer API available with per-second pricing for video generation (klingai.com/dev)
+Kling 3.0 supports up to 4K resolution and native audio generation
+International-facing platform with English-language interface
Cons
−Consumer subscription pricing not verifiable from official English-language pages
−GDPR, SOC2, and ISO 27001 compliance not confirmed from official sources
−Data residency and training practices not publicly documented in accessible pages
Devin
Pros
+Plans, writes, tests, and ships production code autonomously — confirmed from official product description
+UK GDPR and EEA data rights confirmed in Cognition privacy policy with UK IDTA in use
+Free tier available with selected features — no card required to start
+Integrates with existing codebases and tools including Devin Desktop (formerly Windsurf) IDE
Cons
−Trains on user code and content by default — confirmed from Cognition privacy policy
−SOC2 and ISO 27001 not confirmed from official sources
−Max plan (£157/month) is the highest per-user price in the agents category
Our take— Devin wins
Based on our comparison of published pricing, features, and compliance data, Devin scores 7.8/10 to Kling AI's 7.0/10. Devin pulls ahead with GDPR compliance and enterprise-grade readiness. Kling AI counters with a no-training-on-your-data policy. Pick Devin if GDPR compliance matters; pick Kling AI if a no-training-on-your-data policy matters.