Features
- Generates a JSON schema that renders pre-approved UI components
- Streams UI progressively as the model generates JSON
- Restricts the AI to a developer-defined component catalog using tools like Zod
- Binds data paths from APIs to UI elements such as charts
- Handles actions defined as intents in JSON, executed by your app
- Renders React components instead of raw JavaScript
- Works with React, Next.js, and any LLM including OpenAI, Gemini, and Anthropic
Pricing Details
💵 Pricing (January 2026 Status) Json-Render is primarily an Open-Source project under the Apache-2.0 license, but it is often used alongside paid Vercel services. Plan Price Key Features Open Source (Self-Hosted) $0 (Free) Access to @json-render/core and React renderer; Unlimited usage in your own apps. Vercel AI SDK Integration Usage-Based Integrated into Vercel's paid AI tiers for streamlined deployment and edge caching. Enterprise Support Custom Specialized support for implementing AI-driven UI in large-scale corporate applications. 🎁 Free Version: As an open-source framework, it is 100% free to download and use. You can find the source code on GitHub (Vercel Labs) and install it via
