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What is assistant-ui?

assistant-ui is an open-source toolkit for React specifically designed to facilitate the development of AI chat applications in a production environment, with the goal of mirroring the intuitive user experience of ChatGPT in your projects. This comprehensive toolkit allows developers to quickly create visually appealing, enterprise-grade AI chat interfaces in mere minutes, suitable for various platforms including React, React Native, and terminal applications. Whether you're working on an alternative to ChatGPT, a customer support chatbot, an AI-based assistant, or a complex multi-agent system, assistant-ui provides vital frontend components and state management tools that enable you to focus on the unique features of your application. Featuring a ready-to-use chat user interface with attractive and customizable layouts, the toolkit greatly accelerates the process of concept development. Its chat state management is adeptly engineered to support smooth streaming responses, effectively manage interruptions, retries, and multi-turn conversations, while maintaining optimal rendering performance. Built with an emphasis on speed and efficiency, assistant-ui employs advanced rendering strategies and a small bundle size, ensuring that AI chat interfaces remain agile, even in high-demand scenarios. Furthermore, the modular architecture facilitates effortless integration and customization, providing developers with the flexibility needed to enrich their applications with robust AI chat functionalities. Overall, assistant-ui stands out as a powerful resource for anyone aiming to elevate their application's interactive capabilities through AI-driven chat solutions.

What is OpenHarness?

OpenHarness is an open-source SDK built with TypeScript, aimed at developers who wish to craft customized AI-agent applications, including coding assistants, command-line utilities, and web-based supports. This toolkit is equipped with stateless agent execution, explicit management of conversation states, and streaming event support, as well as middleware options for retries, data persistence, and context oversight. Furthermore, it enables the creation of hierarchical subagents and tools governed by permission settings. Developers can seamlessly connect to model providers using the Vercel AI SDK, expand features through the Model Context Protocol (MCP), and employ filesystem or shell tools via adaptable providers. The SDK also provides React hooks and Vue composables, making it easier to integrate streaming agent outputs into diverse application interfaces. OpenHarness is distributed as an npm package and is tailored for projects that operate within Node.js or edge environments, functioning primarily as a developer-oriented library instead of a service intended for end-users. In addition, its design promotes both flexibility and scalability for AI application development, empowering users to customize their solutions to meet specific demands effectively. This adaptability ensures that developers can explore innovative AI applications without being constrained by rigid structures.

Media

Media

No images available

Integrations Supported

Model Context Protocol (MCP)
ChatGPT
Claude
Claude Duet
Claude for Legal
Gemini
Grok
LangChain
Perplexity
React
React Native
shadcn/ui

Integrations Supported

Model Context Protocol (MCP)
Anthropic
OpenAI
Vercel AI SDK

API Availability

API Availability

Has API

Pricing Information

$50 per month
Free Version

Pricing Information

Pricing not provided

Supported Platforms

SaaS

Supported Platforms

Not specified

Customer Service / Support

Web-Based Support

Customer Service / Support

Not specified

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

assistant-ui

Company Location

United States

Company Website

www.assistant-ui.com

Company Facts

Organization Name

OpenHarness

Company Website

open-harness.dev/

Categories and Features

Agentic AI

Not specified

AI Agent Frameworks

Not specified

UX

Not specified

Categories and Features

AI Agent Frameworks

Not specified

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