Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
AutoGPT
Pros
+Fully open source — self-host for free with Docker
+Pioneer of the autonomous agent paradigm
+Maximum flexibility for technical users
+No vendor lock-in on the self-hosted path
Cons
−No free hosted tier — cloud plans billed annually only
−GDPR and SOC2 not confirmed from official sources
−Team plan listed as 'coming soon' — no multi-user cloud option yet
−Steeper learning curve than no-code alternatives
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
Our take— AutoGPT wins
Based on our comparison of published pricing, features, and compliance data, AutoGPT pulls ahead with API access and an open-source codebase. Sudowrite counters with enterprise-grade readiness. AutoGPT scores 7.1/10 to Sudowrite's 7.1/10. Pick AutoGPT if you need API access; pick Sudowrite if you need enterprise-grade readiness.