assistant-ui is an open source TypeScript/React library for building AI chat interfaces, providing developers with customizable primitives and seamless integration with popular AI model providers and backends. Visit assistant-ui to learn more.
What is assistant-ui's Core Offering?
assistant-ui provides a set of primitive React components for AI chat applications. Instead of one monolithic chat component, developers get granular building blocks to create highly customized chat interfaces. The library natively supports essential chat features including auto-scrolling, accessibility, and real-time updates, making it easier to develop robust conversational UIs for web applications.
assistant-ui's API is inspired by popular React libraries like shadcn/ui and cmdk, emphasizing flexibility and composability. This approach allows teams to design chat experiences tailored to their product requirements instead of being limited by a fixed UI.
What Model Providers and Integrations Does assistant-ui Support?
One of assistant-ui's distinguishing features is its wide support for AI model providers out of the box, including:
- OpenAI
- Anthropic
- Mistral
- Perplexity
- AWS Bedrock
- Azure
- Google Gemini
- Hugging Face
- Fireworks
- Cohere
- Replicate
- Ollama
Additionally, assistant-ui offers easy integration with custom APIs, LangGraph, and AI SDKs, so developers can connect to their preferred backends or experiment with new LLMs and workflows as needed.
Who Uses assistant-ui?
assistant-ui is used by companies and projects that require highly customizable, production-ready AI chat interfaces. Some notable users include:
- Langchain
- Athena Intelligence
- Browseruse
- Entelligence
- Stack
- Stack AI
These organizations leverage assistant-ui to power conversational UIs in products ranging from AI copilots to enterprise research tools.
How Does assistant-ui Stand Out?
assistant-ui's open source model, flexible primitives, and broad model provider support set it apart from typical chat UI libraries. By focusing on developer experience and extensibility, assistant-ui enables teams to move quickly from prototype to production without being locked into a specific backend or UI style.
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