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What is OpenUI?

OpenUI is an open-source generative user interface framework for AI agents, licensed under the MIT agreement. Instead of merely using basic text, this framework employs OpenUI Lang, a specialized language tailored for progressive streaming, which is then transformed into interactive components like charts, tables, forms, cards, and layouts by OpenUI. The rendering process is designed with security in mind, limiting the model to only the components you've registered, which ensures that no generated code is executed, thus preserving control over your design system. Its foundational architecture is agnostic to frameworks, accommodating first-party runtimes for popular libraries such as React, Vue, Svelte, and Angular, while also offering pre-built chat interfaces and integrations with a variety of tools like LangChain/LangGraph, the Vercel AI SDK, Mastra, Google ADK, assistant-ui, CopilotKit, AG-UI, and A2UI. OpenUI Lang is noted for its efficiency, reportedly using about half the tokens compared to traditional JSON UI formats, which facilitates faster streaming of interfaces at a lower cost. This remarkable efficiency not only improves performance but also positions OpenUI as a smart and economical choice for developers eager to build advanced user interfaces with speed and ease. Ultimately, the combination of security, flexibility, and cost-effectiveness makes OpenUI a compelling choice for modern application development.

What is FastAgency?

FastAgency is a groundbreaking open-source framework designed to simplify the process of transitioning multi-agent AI workflows from initial prototypes to fully operational systems. It presents a unified programming interface that integrates seamlessly with various agent-based AI frameworks, empowering developers to implement agent-driven workflows in both experimental settings and live environments. With features like multi-runtime support, seamless external API integration, and a command-line interface for orchestration, FastAgency facilitates the development of scalable architectures for deploying AI workflows with greater ease. Currently, it is compatible with the AutoGen framework, and there are plans to extend this compatibility to include CrewAI, Swarm, and LangGraph soon. This adaptability allows developers to transition between different frameworks with ease, choosing the one that best fits their specific project needs. Furthermore, FastAgency offers a shared programming interface that enables developers to create vital workflows once and apply them across diverse user interfaces, significantly reducing the need for redundant coding and improving overall productivity in AI development. Consequently, FastAgency not only speeds up the deployment process but also promotes innovation and collaboration among developers, ultimately enhancing the AI ecosystem as a whole. This collaborative environment encourages developers to share insights and techniques, further driving advancements in AI technology.

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Integrations Supported

LangGraph
A2UI
AG-UI
Agent Development Kit (ADK)
CopilotKit
LangChain
Mastra AI
Vercel AI SDK

Integrations Supported

LangGraph
CrewAI
Swarm

API Availability

API Availability

Has API

Pricing Information

Free
Free Version

Pricing Information

Free
Free Version

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

Windows
Mac
Linux

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Thesys

Date Founded

2024

Company Location

United States

Company Website

www.openui.com

Company Facts

Organization Name

FastAgency

Date Founded

2019

Company Location

Croatia

Company Website

fastagency.ai/

Categories and Features

AI Development

Not specified

Categories and Features

Agentic AI

Not specified

AI Agent Builders

Not specified

AI Agents

Not specified

AI Orchestration

Not specified

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