assistant-ui
YC W25San Francisco, US · Founded 2024 · 3 employees · 2 known investors
Assistant-ui is an open-source React library that provides pre-built components and state management for building AI chat interfaces. It enables developers to integrate ChatGPT-style conversational UIs into applications with support for streaming, multi-turn conversations, and integration with LLM providers like LangChain and Vercel AI SDK.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareGenerative AIChatWeb DevelopmentAI AssistantUnited States of AmericaAmerica / Canada
Founders & leadership· Y Combinator alumni (W25)
assistant-ui was founded in 2024 by Simon Farshid.
SF
Simon Farshidin𝕏FounderSimon Farshid is founder and CEO of assistant-ui, and previously co-founded READO, a book recommendation platform that grew to 140k monthly active users. He has been developing software since childhood and has participated in hackathons internationally.
Investors · 2
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Competitors · 9
by search overlap
Figma72 shared keywordsFigma is a collaborative design platform that enables teams to create apps, websites, and products through shared design tools integrated with development workflows and AI-powered design assistance.
Vercel61 shared keywordsVercel is an infrastructure platform for building and deploying applications, with emerging support for agentic capabilities that allow AI agents and humans to collaborate in software development. The platform serves developers and agents building web applications and software.
Stream53 shared keywordsStream provides infrastructure for building AI applications and real-time communication features including chat, video, feed, and moderation across multiple platforms. The company serves developers and enterprises building multi-modal AI applications and communication-enabled apps.
LangChain50 shared keywordsLangChain provides an agent engineering platform and open source frameworks for developers to build, test, and deploy AI agents that can use data and take actions. The platform includes LangSmith for observability and evaluation, and serves enterprise customers including 35% of the Fortune 500.
OpenAI48 shared keywordsOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.
Behance41 shared keywordsBehance is a portfolio and community platform for creative professionals to showcase their work, discover clients, and grow their careers. The platform connects creators with potential business opportunities and clients globally.
Hugging Face41 shared keywordsHugging Face is a collaboration platform that hosts and provides access to machine learning models, datasets, and applications. It offers both open-source tools for the ML community and paid compute and enterprise solutions for teams building AI applications.
21st38 shared keywords21st.dev provides a library of thousands of components and templates from the community for developers to use in building applications.
Sendbird36 shared keywordsSendbird provides an AI-powered conversation platform that enables businesses to build conversational AI agents for customer interactions. The platform powers messaging and communication for companies in delivery, e-commerce, healthcare, travel, and financial services, handling billions of conversations monthly.
Companies competing with assistant-ui for the same Google search keywords, organic and paid, via search-intersection analysis.
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Frequently asked questions
- What does assistant-ui do?
- Assistant-ui is an open-source React library that provides pre-built components and state management for building AI chat interfaces. It enables developers to integrate ChatGPT-style conversational UIs into applications with support for streaming, multi-turn conversations, and integration with LLM providers like LangChain and Vercel AI SDK.
- Who founded assistant-ui?
- assistant-ui was founded by Simon Farshid in 2024.
- Who are assistant-ui's investors?
- assistant-ui's investors include Y Combinator, 468 Capital.
- Where is assistant-ui headquartered?
- assistant-ui is headquartered in San Francisco, US.