assistant-ui
ActiveOpen Source React.js Library for AI Chat
About
assistant-ui helps frontend developers add AI chat to their apps. Our product is used by several dozen companies, like LangChain, Stack AI, Browser Use, and Athena Intelligence. We're building an open source Typescript/React library and a backend as a service, with first class integrations into popular agent frameworks like LangGraph and Vercel AI SDK.
Founders · 1
Simon is the Founder and CEO of assistant-ui. He previously co-founded READO, a book recommendation engine, and grew it to 140k MAUs. Simon started coding at age 12 and has won 8 hackathons in 5 countries.
Launch
The UX of ChatGPT in your own app, connected to your own AI agents.
assistant-ui is an open source TypeScript/React library for building in-app AI chat UIs. It provides pre-built, customizable components that connect to backends and AI SDKs, enabling human–agent collaboration, frontend tool calls, and chat history/analytics. It targets developers building AI-powered assistants within their own apps and announces its demos, installation commands, and collaboration features.
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