{"id":24056527,"url":"https://github.com/assistant-ui/assistant-ui","last_synced_at":"2026-04-29T05:03:39.739Z","repository":{"id":235006081,"uuid":"722184017","full_name":"assistant-ui/assistant-ui","owner":"assistant-ui","description":"Typescript/React Library for AI 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/\u003e\n\u003c/a\u003e\n\n\u003cp align=\"center\"\u003e\n  \u003ca href=\"https://www.assistant-ui.com\"\u003eProduct\u003c/a\u003e ·\n  \u003ca href=\"https://www.assistant-ui.com/docs\"\u003eDocumentation\u003c/a\u003e ·\n  \u003ca href=\"https://www.assistant-ui.com/examples\"\u003eExamples\u003c/a\u003e ·\n  \u003ca href=\"https://discord.gg/S9dwgCNEFs\"\u003eDiscord Community\u003c/a\u003e ·\n  \u003ca href=\"https://cal.com/simon-farshid/assistant-ui\"\u003eContact Sales\u003c/a\u003e\n\u003c/p\u003e\n\n[![npm version](https://img.shields.io/npm/v/@assistant-ui/react)](https://www.npmjs.com/package/@assistant-ui/react)\n[![npm downloads](https://img.shields.io/npm/dm/@assistant-ui/react)](https://www.npmjs.com/package/@assistant-ui/react)\n[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/assistant-ui/assistant-ui)\n[![Weave Badge](https://img.shields.io/endpoint?url=https%3A%2F%2Fapp.workweave.ai%2Fapi%2Frepository%2Fbadge%2Forg_GhSIrtWo37b5B3Mv0At3wQ1Q%2F722184017\u0026cacheSeconds=3600)](https://app.workweave.ai/reports/repository/org_GhSIrtWo37b5B3Mv0At3wQ1Q/722184017)\n![GitHub License](https://img.shields.io/github/license/assistant-ui/assistant-ui)\n![Backed by Y Combinator](https://img.shields.io/badge/Backed_by-Y_Combinator-orange)\n\u003c!-- [![Manta Graph badge](https://getmanta.ai/api/badges?text=Manta%20Graph\u0026link=assistant-ui)](https://getmanta.ai/assistant-ui) --\u003e\n\n[⭐️ Star us on GitHub](https://github.com/assistant-ui/assistant-ui)\n\n## The UX of ChatGPT in your React app 💬🚀\n\n**assistant-ui** is an open source TypeScript/React library to build production-grade AI chat experiences fast.\n\n- Handles streaming, auto-scrolling, accessibility, and real-time updates for you\n- Fully composable primitives inspired by shadcn/ui and cmdk — customize every pixel\n- Works with your stack: AI SDK, LangGraph, Mastra, or any custom backend\n- Broad model support out of the box (OpenAI, Anthropic, Mistral, Perplexity, AWS Bedrock, Azure, Google Gemini, Hugging Face, Fireworks, Cohere, Replicate, Ollama) with easy extension to custom APIs\n\n## Why assistant-ui\n\n- **Fast to production**: battle-tested primitives, built-in streaming and attachments\n- **Designed for customization**: composable pieces instead of a monolithic widget\n- **Great DX**: sensible defaults, keyboard shortcuts, a11y, and strong TypeScript\n- **Enterprise-ready**: optional chat history and analytics via Assistant Cloud\n\n## Getting Started\n\nRun one of the following in your terminal:\n\n```bash\nnpx assistant-ui create   # new project\nnpx assistant-ui init     # add to existing project\n```\n\n[![assistant-ui starter template](https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/assistant-ui-starter.gif)](https://youtu.be/k6Dc8URmLjk)\n\n## Features\n\n- **Build**: composable primitives to create any chat UX (message list, input, thread, toolbar) and a polished shadcn/ui theme you can fully customize.\n\n- **Ship**: production-ready UX out of the box — streaming, auto-scroll, retries, attachments, markdown, code highlighting, and voice input (dictation) — plus keyboard shortcuts and accessibility by default.\n\n- **Generate**: render tool calls and JSON as components, collect human approvals inline, and enable safe frontend actions.\n\n- **Integrate**: works with AI SDK, LangGraph, Mastra, or custom backends; broad provider support; optional chat history and analytics via Assistant Cloud (single env var).\n\n## Backends\n\n- **Assistant Cloud**: managed chat persistence and analytics. Deploy with the Cloud Starter template; bring any model/provider.\n\n- **AI SDK**: integration with Vercel AI SDK; connect to any supported provider.\n\n- **LangGraph**: integration with LangGraph and LangGraph Cloud; connect via LangChain providers.\n\n- **Mastra**: integration with Mastra agents/workflows/RAG; model routing via Vercel AI SDK; optional Mastra Cloud.\n\n- **Custom**: use assistant-ui on top of your own backend/streaming protocol.\n\n## Customization\n\nassistant-ui takes a Radix-style approach: instead of a single monolithic chat component, you compose primitives and bring your own styles. We provide a great starter config; you control everything else.\n\n![Overview of components](https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/components.png)\n\nSample customization to make a Perplexity lookalike:\n\n![Perplexity clone created with assistant-ui](https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/perplexity.gif)\n\n## Traction\n\nassistant-ui is the most popular UI library for building AI chat.\n\nHundreds of companies and projects use assistant-ui to build in-app AI assistants, including \u003ca href=\"https://mastra.ai/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/Mastra.svg\" height=\"20\" alt=\"Mastra\"\u003e\u003c/a\u003e, \u003ca href=\"https://langchain.com/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/LangChain.svg\" height=\"20\" alt=\"LangChain\"\u003e\u003c/a\u003e, \u003ca href=\"https://athenaintelligence.ai/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/Athena-Intelligence.svg\" height=\"20\" alt=\"Athena Intelligence\"\u003e\u003c/a\u003e, \u003ca href=\"https://browser-use.com/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/Browser-Use.svg\" height=\"20\" alt=\"Browser Use\"\u003e\u003c/a\u003e, \u003ca href=\"https://stack-ai.com/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/Stack.svg\" height=\"20\" alt=\"Stack\"\u003e\u003c/a\u003e, \u003ca href=\"https://inconvo.com/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/Inconvo.svg\" height=\"20\" alt=\"Inconvo\"\u003e\u003c/a\u003e, \u003ca href=\"https://iterable.com/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/Iterable.svg\" height=\"20\" alt=\"Iterable\"\u003e\u003c/a\u003e, \u003ca href=\"https://helicone.ai/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/helicone.svg\" height=\"20\" alt=\"Helicone\"\u003e\u003c/a\u003e, \u003ca href=\"https://getgram.ai/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/gram.svg\" height=\"20\" alt=\"Gram\"\u003e\u003c/a\u003e, \u003ca href=\"https://coreviz.io/?ref=assistant-ui\" target=\"_blank\" rel=\"noopener noreferrer\"\u003e\u003cimg src=\"https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/logos/Coreviz.svg\" height=\"20\" alt=\"Coreviz\"\u003e\u003c/a\u003e, and more.\n\n![Chart of assistant-ui's traction](https://raw.githubusercontent.com/assistant-ui/assistant-ui/main/.github/assets/traction.png)\n\n## Demos\n\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003ctd align=\"center\"\u003e\n      \u003ca href=\"https://youtu.be/ZW56UHlqTCQ\"\u003e\n        \u003cimg src=\"https://img.youtube.com/vi/ZW56UHlqTCQ/hqdefault.jpg\" alt=\"Short Demo\" /\u003e\n      \u003c/a\u003e\n    \u003c/td\u003e\n    \u003ctd align=\"center\"\u003e\n      \u003ca href=\"https://youtu.be/9eLKs9AM4tU\"\u003e\n        \u003cimg src=\"https://img.youtube.com/vi/9eLKs9AM4tU/hqdefault.jpg\" alt=\"Long Demo\" /\u003e\n      \u003c/a\u003e\n    \u003c/td\u003e\n  \u003c/tr\u003e\n\u003c/table\u003e\n\n## Community \u0026 Support\n\n- [Check out example demos](https://www.assistant-ui.com/)\n- [Read the docs](https://www.assistant-ui.com/docs/)\n- [Join our Discord](https://discord.com/invite/S9dwgCNEFs)\n- [Book a sales call](https://cal.com/simon-farshid/assistant-ui)\n\n---\n\nBacked by Y Combinator. Building something with assistant-ui? We’d love to hear from you.\n","funding_links":[],"categories":["others","🌐 Web Development - Frontend","Chatbots \u0026 Virtual Companions","TypeScript","Open Source","Components \u0026 Libraries","📋 Contents"],"sub_categories":["Self-Hosted","🧪 13. Developer Tools \u0026 Integrations"],"project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fassistant-ui%2Fassistant-ui","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fassistant-ui%2Fassistant-ui","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fassistant-ui%2Fassistant-ui/lists"}