CopilotKit records 403,148 monthly visits with +199.4% month-over-month growth and Freemium pricing. Persona records 0 monthly visits with 0% growth and Free pricing.
Open-source frontend stack for building AI agents and copilots inside your own product
The framework-free AI agent UI library for any website
| Dimension / Metric | | |
|---|---|---|
| Official Domain | copilotkit.ai | persona-chat.dev |
| Pricing Model | Freemium | Free |
| Monthly Visits | 403.15K (403,148) | 0 (0) |
| MoM Traffic Delta | +268.49K (+199.4%) | 0 (0%) |
| Primary Market & Share | 🇺🇸 United States (18.9%) | 🌐 Global (—) |
| Direct Visits / mo | 179.26K | 0 |
| User Rating | 4.6 | 4.5 |
| Supported Platforms | Website | Website |
Open-source frontend stack for building AI agents and copilots inside your own product
Ship a working copilot UI in minutes with drop-in components for React, Angular, Vue, iOS, and Android, or go fully headless for total control over rendering.
A general-purpose bi-directional link between your app and any agent backend, with integrations for the OpenAI Agents SDK, Claude Agent SDK, LangChain, Google ADK, AWS Strands, Mastra, and many more.
Agents return real UI — charts, forms, tables, and approval prompts rendered with your own design system on the same screen the user is already working in.
Let agents read and write application state, call your frontend functions, and pause for human approval before sensitive actions are executed.
The framework-free AI agent UI library for any website
Built in pure JavaScript with no React, Vue, or Svelte requirement, so it drops into any stack via npm or a single CDN script tag.
Streams from a generic Server-Sent Events endpoint, with pluggable customFetch and parseSSEEvent hooks to adapt arbitrary request and event shapes.
Registers page-level tools on document.modelContext so the agent can discover and invoke actions like search, carts, and bookings with user approval.
Renders inside Shadow DOM with prefixed CSS, keeping widget styles and host page styles fully separated in both directions.
Free / Open-sourceA free, open-source personal AI agent that learns your projects and works across every messaging app.
Free / Open-sourceA free, open-source personal AI agent that learns your projects and works across every messaging app.
Free / Open-sourceA minimal, extensible terminal coding agent you can reshape
Free / Open-sourceA minimal, extensible terminal coding agent you can reshape
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps
Free / Open-sourceOpen-source personal AI assistant that runs on your own machine and works from chat apps
Free / Open-sourceOpen-source control plane for orchestrating coding agents
Free / Open-sourceGive your coding agent real design judgment
Free / Open-sourceGive your coding agent real design judgment
Free / Open-sourcePut always-on AI agents on your team chat
One browser agent that combines every major AI model with web automation
SpecialistCombines conversational workflow drafting with visual flow builders, focusing on workflow automation rather than frontend copilot embedding.
SpecialistCombines conversational workflow drafting with visual flow builders, focusing on workflow automation rather than frontend copilot embedding.
SpecialistIDE extension providing model-agnostic AI coding assistance rather than a frontend UI component library for web applications.
SpecialistFocuses on Python-based agent building and deployment rather than frontend React component integration for web applications.
Managed platform for building and running AI agents that work in the background
Managed platform for building and running AI agents that work in the background
Free / Open-sourceOpen-source TypeScript framework where agents and UIs share one set of capabilities
Free / Open-sourceOpen-source TypeScript framework where agents and UIs share one set of capabilities
