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
Visual screen editor with infinite canvas
AI agents: Claude, GPT, Gemini, Qwen 3.7 Max, Claude Opus 4.8, Gemini 3.5 Flash
BYO API keys for OpenAI, Anthropic, OpenRouter on any plan
Live preview on device via QR code
Built-in code editor for pixel-level control
One-click publishing to web, iOS, Android
Full version control with rollback
Shared task board for organizing work
Team collaboration with roles and permissions
REST API integration with one-click setup (Webflow, Shopify, Xano, Supabase)
Supabase backend (database, auth, storage) in open beta
Theme and typography editing with Google Fonts picker
MCP integrations: Cloudflare, HighLevel
Exportable source code with full GitHub history
Expert services: scoping, design, backend, troubleshooting