Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
Sudowrite
Pros
+Explicit commitment to never training on user manuscripts — confirmed on pricing page
+Specialised fiction tools: character generation, outline, scene expansion
+Claims no rights over user content or generated output
+30+ language support across all plans
Cons
−No free tier — paid plans only
−GDPR and SOC2 not confirmed from official sources
−Fiction-only focus — not suited for marketing copy, email, or business writing
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 Sudowrite's 7.1/10. Devin pulls ahead with GDPR compliance and API access. Sudowrite counters with a no-training-on-your-data policy. Pick Devin if GDPR compliance matters; pick Sudowrite if a no-training-on-your-data policy matters.