Prices in GBP. Verified monthly. Always check the provider's site for the latest.
Pros & cons
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
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— Relevance AI wins
Based on our comparison of published pricing, features, and compliance data, Relevance AI pulls ahead with multi-factor authentication and API access. Sudowrite stays close but doesn't lead on any single attribute here. Relevance AI scores 7.5/10 to Sudowrite's 7.1/10. Relevance AI is the call when multi-factor authentication matters — otherwise Sudowrite.