YC W25
assistant-ui
Open 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.
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B2BInfrastructureDeveloper ToolsGenerative AIChatWeb DevelopmentAI Assistant