#What is Assistant UI?

Assistant UI is an open-source, embeddable AI chat component designed for React applications. It enables developers to integrate conversational AI interfaces with features like real-time streaming, markdown support, and interactive UI components. Whether you're building a ChatGPT clone, a customer support chatbot, or a complex multi-agent system, Assistant UI provides the frontend primitives and state management layers to focus on what makes your application unique.

#Features ⚡️

• Streaming LLM Results: Supports real-time streaming of responses from language models.

• Markdown Rendering: Displays rich content including lists, code snippets, and tables.

• Generative UI: Maps LLM tool calls to custom UI components for enhanced interactivity.

• Human-in-the-Loop: Enables user approval for certain AI actions, ensuring control over critical operations.

• Multimodal Support: Allows users to upload images or documents as inputs to agents.

• Stateful Interactions: Synchronizes with LangGraph state for multi-turn conversations with context awareness.

• Backend Integration: Compatible with various backends including Vercel AI SDK, LangGraph Cloud, and custom APIs.

#Pros and Cons

#Pros ✅

• Seamless Integration: Easily integrates with existing React applications.

• Customizable UI: Provides composable components for full UI customization.

• Real-Time Interaction: Supports streaming responses for dynamic conversations.

• Rich Content Support: Handles markdown, code snippets, and file attachments.

• Community Support: Backed by a growing community of developers.

#Cons ⚠️

• React-Centric: Primarily designed for React applications; may require additional work for other frameworks.

• Learning Curve: Requires familiarity with TypeScript and React hooks.

• Backend Configuration: May require setup of backend services for full functionality.

#Included Components – Templates

Assistant UI offers a range of components and templates to build AI chat interfaces:

• AssistantModal: A chat bubble shown in the bottom right corner of the screen, useful for support or Q&A use cases.

• Thread: Displays a conversation thread with messages, actions, and attachments.

• Composer: Allows users to type and send messages, with support for attachments.

• AssistantSidebar: Provides additional tools and options alongside the chat interface.

• Generative UI Components: Custom interfaces that appear when AI tools are called, enhancing the user experience with visual feedback and interactive elements.

#Pricing 💵

Assistant UI is open-source and free to use. There are no licensing fees or subscription costs associated with the core features. However, certain integrations or advanced features may require additional services or subscriptions.

#Integrations 🧰

Assistant UI supports integration with various backends and services:

• AI SDK by Vercel: First-class integration into the Vercel AI SDK, connecting to any LLM provider supported by AI SDK.

• LangGraph Cloud: Integration into LangGraph Cloud, connecting to any LLM provider supported by LangChain.

• Custom Backends: Use assistant-ui as the visualization layer on top of your own backend or streaming protocols.