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Fastgen vs Superflows

Fastgen offers a no-code backend builder, while Superflows adds AI chat capabilities on top of your existing backend.

Side by side

What it is
Fastgen:Webflow for the Backend
Superflows:Open source toolkit to add an AI copilot to any SaaS product via your OpenAPI spec.
Best for
Fastgen:No-code backend creation
Superflows:AI copilot for SaaS products
Who it’s for
Fastgen:—
Superflows:Product teams at SaaS companies who want AI assistants without building them from scratch.
Pricing
Fastgen:Subscription
Superflows:Freemium
Plans
Fastgen:—
Superflows:Testing Free · Scale $999 per month
Open source
Fastgen:—
Superflows:Yes, 663 GitHub stars
DevHunt upvotes
Fastgen:95
Superflows:8
Launched on DevHunt
Fastgen:Jan 2023
Superflows:Jan 2023

Fastgen features

Webflow for the Backend

Superflows features

  • API & Docs Connection. Upload an OpenAPI spec so the assistant can call your product’s APIs.
  • Customizable Behavior. Approve answer formats and control what the AI can respond with.
  • One-line Frontend Integration. Add a single code snippet to embed the chat UI in your app.
  • Analytics Queries. AI fetches data, runs calculations and returns insights in seconds.
  • Action Execution. Assistant can prepare and, after confirmation, execute actions on behalf of users.
  • Documentation Help. Provides contextual product documentation as a built-in expert.

Based on each tool's website and DevHunt data. Details may change; check the official sites.