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assistant-ui/assistant-ui

A TypeScript/React library for rapidly building production-grade, customizable AI chat experiences with built-in streaming, accessibility, and broad backend support.

Core Features

Composable UI primitives for full customization.

Handles streaming, auto-scrolling, and real-time updates.

Supports various AI models and backends (AI SDK, LangGraph, custom).

Production-ready UX with markdown, code highlighting, and voice input.

Optional chat history and analytics via Assistant Cloud.

Quick Start

npx assistant-ui create

Detailed Introduction

assistant-ui is an open-source TypeScript/React library designed to accelerate the development of sophisticated AI chat interfaces. It provides battle-tested, composable UI primitives, allowing developers to create highly customized chat experiences akin to ChatGPT. The library abstracts away complexities like streaming, auto-scrolling, and accessibility, while offering extensive integration with popular AI SDKs, frameworks, and a wide range of AI models. Its focus on developer experience, customization, and enterprise-readiness makes it a robust solution for embedding advanced AI assistants into any React application.