Features
OpenUI Lang – compact line-oriented language up to 67% more token-efficient than JSON
Streaming-first UI rendering – renders progressively as model responds
Cross-platform support: React, React Native, Vue
Define custom component libraries via defineComponent and createLibrary
Automatic system prompt generation from component definitions
Reactive state, queries, and mutations wired to tools
Safe by default – model only composes registered components
Live data integration via MCP servers and custom tools
Supports all major LLMs (OpenAI, Anthropic, Gemini, Mistral, xAI, DeepSeek)
Compatible with agent frameworks (Vercel AI SDK, LangChain, CrewAI, OpenAI Agents SDK)
Built-in component libraries (ShadCN, Material Design, DaisyUI, Base UI)
Editable artifact generation (PPTX, PDF, reports, dashboards) in OpenUI Cloud
Output validation and error correction in Cloud tier
Observability and audit trail in Cloud tier
Generate Next.js boilerplate with custom content
AI content generation for sections
300+ components and usage examples
37+ landing page components
One-click deploy to Vercel or Netlify
SEO-optimized MDX blog with search, tags, pagination
Dark mode and responsive design
Icon library and chart/data viz components
Pricing, Terms, and Privacy pages
Customizable logo, theme, branding, favicon
Font customization (16 handpicked pairings)
Zip download of generated code
Automatic sitemap and RSS feed