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About

AG-UI is an open, lightweight, event-based protocol that standardizes how AI agents connect to user-facing applications. Built for simplicity and flexibility, it enables seamless integration between AI agents, real-time user context, and user interfaces. AG-UI is designed for agent-human interaction: during agent executions, backends emit events compatible with standard AG-UI event types, and agent backends can accept simple AG-UI-compatible inputs as arguments. It works with any event transport, including SSE, WebSockets, webhooks, and other streaming systems, while providing a flexible middleware layer that ensures compatibility across diverse environments. AG-UI brings agents into user-facing applications and complements the wider agentic protocol stack: MCP gives agents tools, A2A allows agents to communicate with other agents, and AG-UI connects agents directly to the user interface.

About

CopilotKit is an enterprise-grade agentic frontend stack designed to help developers build AI-powered applications with generative user interfaces. The platform enables seamless integration between user-facing applications and agentic backends through its AG-UI protocol, which supports bi-directional communication. It provides tools and SDKs for modern frameworks like React, Angular, and Next.js, allowing developers to quickly implement AI features. CopilotKit supports generative UI, enabling AI agents to dynamically render and update interface components in real time. The platform also includes features like chat components, conversation threading, and persistent state management for maintaining context across sessions. Developers can connect their preferred AI models, frameworks, and agents without being locked into a specific ecosystem.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

AI product developers building interactive agent-powered applications that need structured streaming, tool calls, shared state, and human-in-the-loop control

Audience

Developers, engineering teams, and enterprises looking to build scalable AI-powered applications with interactive interfaces and seamless agent integration

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

$39/developer/month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

AG-UI
United States
ag-ui.com

Company Information

CopilotKit
Founded: 2023
United States
www.copilotkit.ai/

Alternatives

Alternatives

TF-Agents

TF-Agents

Tensorflow
Lyzr

Lyzr

Lyzr AI

Categories

Agentic AI Supported
UX Supported

Categories

Agentic AI Supported
AI Development Supported

Integrations

OpenUI Supported
Agent Development Kit (ADK) Supported
Agno Supported
CrewAI Supported
LangGraph Supported
LlamaIndex Supported
Mastra AI Supported
Model Context Protocol (MCP) Supported
PydanticAI Supported
Salesforce Not Supported
Zendesk Not Supported

Integrations

OpenUI Supported
Agent Development Kit (ADK) Not Supported
Agno Not Supported
CrewAI Not Supported
LangGraph Not Supported
LlamaIndex Not Supported
Mastra AI Not Supported
Model Context Protocol (MCP) Not Supported
PydanticAI Not Supported
Salesforce Supported
Zendesk Supported
Claim AG-UI and update features and information
Claim AG-UI and update features and information
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Claim CopilotKit and update features and information