CopilotKit
Frontend stack for putting agents and generative UI into React and other apps, from the makers of the AG-UI protocol.
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Use cases
About CopilotKit
CopilotKit is listed in our frameworks category and is aimed at builders. Frontend stack for putting agents and generative UI into React and other apps, from the makers of the AG-UI protocol. Pricing, as the maker states it: Open source + cloud. Maturity: Mature. We last checked the official link on 2026-10-16.
What is CopilotKit?
CopilotKit is an SDK for building agent-native applications, generative UI and chat apps. It provides generative UI, shared state and human-in-the-loop workflows for React, Angular, Vue and React Native, as well as Slack and Microsoft Teams.
Its makers created the AG-UI protocol, and CopilotKit Intelligence adds production features such as persistent threads with generative UI, user memories and agents that learn from real use. The same agent can power your web app, mobile app and chat surfaces.
Sources: the official README and our directory listing, checked 2026-10-18. Official site: docs.copilotkit.ai.
Who is CopilotKit for?
Frontend and full-stack developers who want to put agents into the UI of their apps.
CopilotKit at a glance
- Open source: Yes (MIT License)
- GitHub: CopilotKit/CopilotKit · 38,154 stars (as of Oct 21, 2026)
Key features
- Generative UI and shared state
- Human-in-the-loop workflows
- React, Angular, Vue, React Native, Slack and Teams
- From the makers of AG-UI
CopilotKit FAQ
What is CopilotKit?
CopilotKit is an SDK for building agent-native applications, generative UI and chat apps. It provides generative UI, shared state and human-in-the-loop workflows for React, Angular, Vue and React Native, as well as Slack and Microsoft Teams.
Who is CopilotKit for?
Frontend and full-stack developers who want to put agents into the UI of their apps.
Is CopilotKit free?
CopilotKit's pricing, as the maker states it: Open source + cloud. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is CopilotKit open source?
Yes. CopilotKit is released under the MIT License, according to its GitHub repository.
What are alternatives to CopilotKit?
Similar tools include AG-UI, Tambo, OpenUI, Agentlas, Apache Maka and BabyAGI.
CopilotKit ratings and reviews
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Other frameworks tools in our directory. See all frameworks tools →
AG-UI
Agent-User Interaction protocol for streaming agent state and events into frontend apps.
Tambo
Generative UI SDK for React that lets agents render components.
OpenUI
Framework-agnostic generative UI framework with a compact streaming language and runtimes for React, Vue, Svelte and Angular.
Agentlas
A local-first agent OS that keeps specialist agents in a hub and spins up a temporary orchestrator for each task, with reusable methods and your choice of model and host.
Apache Maka
Incubating Apache agent harness and workspace that records everything it does and publishes benchmarked run results.
BabyAGI
Yohei Nakajima's experimental self-building agent framework that creates, stores and runs its own functions.
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