assistant-ui
YC W25Open Source React.js Library for AI Chat
San Francisco, CA, USAFounded 20253 employeesassistant-ui.com
Team
3
Founded
2025
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.
No open roles at this time.
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