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assistant-ui

Open Source React.js Library for AI Chat

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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.

Developer ToolsGenerative AIChatWeb DevelopmentAI Assistant
Facts
Website
assistant-ui.com
City
San Francisco
Country
United States
YC batch
Winter 2025
Team
3 people
Stage
Early stage
AI-native
Yes

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