Chai UI

Chai UI is an open-source React and Vue component library providing a prompt bar and result interface for AI applications.

Chai UI offers open-source React and Vue components designed for building AI applications. It provides a unified prompt bar and result interface that works with any AI model. Developers, designers, and AI agents can use these components for model routing, prompt optimization, media analysis, and image editing. The interface integrates with Fal.ai, OpenRouter, Vercel AI Gateway, or custom engines. It brings the user interfaces found in modern AI applications directly to open-source developers.

Chai UI at a glance

Best for: Software engineer, Designer
Pricing: Free
Released: October 2026
Category: AI coding tool
Website: chai-ui.com

Key features

Open-source React and Vue components
Unified prompt bar and result UI
Model routing capabilities
Prompt optimization tools
Media analysis components
Image editing components

Use it for

Build user interfaces for AI applications
Manage multiple AI models from one interface
Optimize prompts and analyze media
Edit images within AI applications

Alternatives to Chai UI

OpenUI — Describe a UI, see it live, then export React or Svelte
OpenUI Standard — Renders generative UI three times faster with sixty-seven percent fewer tokens than JSON.
Auric UI — It combines basic interactions with chat and editing workbenches in a unified visual system.
assistant-ui — Builds production AI chat interfaces quickly with React components and runtimes.
AG-UI — Standardizes agent-user interactions and generative UI for applications.
UI Skills — Curated skills for building polished frontend interfaces.
Ant Design X — Uses the RICH design paradigm and Ant Design language for AI products.
Magic MCP — Provides AI agents direct access to a catalog of 12,000+ React components.
Domscribe — Connects UI elements directly to source code for precise AI-assisted edits.
Coucou — It provides open-source, real-time agent monitoring and approvals directly from the screen notch.
UI Pilot — Generates form-based user interfaces and running code directly from chat prompts.
OpenRouter — Access over 500 models and 80 providers through one unified API.

All Chai UI alternatives