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Dify vs Sim: catalog facts
DifySim
Freemium

Self-hosted deployment is free under its custom license; the managed cloud offering is…

Freemium

Open source to self-host; the hosted workspace is available with sales-led plans for…

Web, Self-hosted Web, Self-hosted, Command line
  • Visual builder covers workflows, RAG and agents in one workspace
  • Can be fully self-hosted for data control
  • Visual workflow canvas plus conversational and code building
  • Hundreds of integrations and support for major LLMs
  • Uses a custom source-available license rather than a standard OSI license
  • Self-hosting still requires supplying your own model provider access
  • Organisation-focused features add complexity for solo use
  • Advanced governance features point toward sales-led plans
Self-hosted, Web application Web application, Self-hosted
Closed source Open source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.