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Rivet is completely free with 7 features included. No paid tiers offered, making it perfect for budget-conscious users.
Yes — Rivet is MIT-licensed open source with no paid tier. There's no hosted service; you run the desktop editor locally and deploy the Node runtime yourself.
No. Rivet's runtime is TypeScript-only via the @ironclad/rivet-node npm package. Python teams should look at LangGraph, Langflow, or CrewAI instead.
The @ironclad/rivet-node runtime opens a WebSocket server; the desktop editor connects to it. As your app executes a graph, each node lights up in the editor with its inputs, outputs, and any errors. This is Rivet's biggest differentiator vs. text-based agent frameworks.
Yes — that's the intended deployment. The desktop editor stays on your machine; the runtime library ships inside your Node.js service. There's no cloud dependency.
LangGraph if your stack is Python and you want the largest ecosystem. Rivet if your stack is TypeScript, you want a visual editing surface, and the remote debugger sounds valuable. For simple linear chains, both are overkill.
It's completely free — no credit card required.
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Last verified March 2026