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CopilotKit

CopilotKit

CopilotKit is a frontend stack for building agentic applications and generative UI across web, Slack, and Teams.

Operating headquarters
Seattle, WA, US🇺🇸
Founded
2024
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CopilotKit - Library

copilotkit.ai·Crawled Oct 1, 2026·

Topics

Publication type

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Product

3 pages
  1. Backends/product/backends

    Connect to any LLM (GPT, Claude), any agent framework (LangChain, Google ADK), and any protocol (MCP, A2A, AG-UI). Your backend, your choice.

  2. Framework/product/framework

    Build agent-native applications with CopilotKit Frontend SDKs. Generative UI, in-app actions, context awareness, and state sync. Open source core with premium features.

  3. Product/product

    Build AI copilots that actually work. The complete platform for building, customizing, and improving AI copilots with open source core framework, premium features, and stateful platform.

Blog

7 pages
  1. 🌐 RAG vs. Context-Window in GPT-4: accuracy, cost, & latency | Blog/blog/rag-vs-context-window-in-gpt-4

    Explore the advanced capabilities of LLMs in the latest analytical post that delves into the effectiveness of Retrieval Augmented Generation (RAG) versus GPT-4's context-window stuffing.

  2. Blog/blog

    Explore the latest insights, tips, and best practices for building agentic applications with CopilotKit.

  3. Build AI Agents That Live Inside Your App — CopilotKit Explained | Blog/blog/build-ai-agents-that-live-inside-your-app-copilotkit-explained

    CopilotKit is a complete set of building blocks for developers and teams who want to add agents to their app and assemble, debug, and ship the interface layer between their agents and users. It's also framework-agnostic and supports any LLM and every popular agent framework. There are two options for chat. Pre-built components, if you want something already built or Headless UI, which allows anyone to build custom agent interfaces.

  4. Build Generative UI Agents on Amazon Bedrock AgentCore with AG-UI and CopilotKit | Blog/blog/generative-ui-on-agentcore-with-copilotkit

    Amazon Bedrock AgentCore now runs AG-UI agents natively, so auth, scaling, and session isolation come managed. We build one agent that renders charts inline, syncs a todo canvas both ways, and pauses for human input. Pick Strands or LangGraph at deploy time, and the same frontend runs against either.

Careers & Hiring

3 pages
  1. Careers/careers

    Join CopilotKit — the #1 open-source platform for building AI Copilots. We're a fast-growing team building the agent/user interaction layer used by Fortune 500s.

  2. Forward Deployed Engineer/careers/forward-deployed-engineer-d134b481
  3. Senior Software Engineer, Partnerships & Integrations (Open-Source) | Careers/careers/senior-software-engineer-partnerships-integrations-open-sour-2d8b533b

    About Us   CopilotKit is the #1 open-source platform for connecting AI Agents with user-facing applications. In our first two years, we’ve delivered the fastest

Pricing

1 page
  1. Pricing/pricing

    Choose the plan that's right for you and get started building your agentic application today.

Contact

1 page
  1. Contact Us/contact-us

    We look forward to learning more about what you're building with CopilotKit.

Homepage

1 page
  1. Homepage/

    The Enterprise-Ready Frontend Stack for Agents. CopilotKit lets you integrate LLMs or agents with real-time context, UI control, and full flexibility.

Privacy

1 page
  1. Privacy Policy/privacy-policy

    We respect your privacy and are committed to protecting your personal information.

Terms & Conditions

1 page
  1. Terms of Service/terms-of-service

    Our terms of service for CopilotKit. By using our services, you agree to these terms.

Coverage

7 items
  1. Solo GP Ashley Smith announces second $25M fund to back startups in AI, security and moretechcrunch.com/2026/07/08/solo-gp-ashley-smith-announces-25m-close-of-second-fund/

    Vermilion Cliffs Ventures, founded in 2023 by solo GP Ashley Smith, closes a $25 million second fund to back technical founders in AI infrastructure, security, and developer tools. The fund plans checks of $500,000 to $1 million and at least 25 investments over two and a half years, and has already backed six companies. Smith draws on her marketing experience at Twilio, Facebook, GitHub, and GitLab to advise founders on go-to-market strategy.

    Jul 2026 · TechCrunchNews article

  2. copilotkitgithub.com/copilotkit

    GitHubRepository owner

  3. CopilotKit raises $27 million to build infrastructure for AI agentscalcalistech.com/ctechnews/article/bkbjddprbx

    CopilotKit, founded by Israeli brothers Atai Barkai and Uli Barkai, raises $27 million to build infrastructure for AI agents. The total includes $20.5 million in a Series A round and $6.5 million in seed funding.

    May 2026 · CTechNews article

  4. CopilotKit raises $27M to help devs deploy app-native AI agentstechcrunch.com/2026/05/05/copilotkit-raises-27m-to-help-devs-deploy-app-native-ai-agents/

    CopilotKit, a Seattle-based startup, raises $27 million in a Series A round led by Glilot Capital, NFX, and SignalFire. It is building an enterprise toolkit on top of its open-source AG-UI protocol to help developers deploy app-native AI agents.

    May 2026 · TechCrunchNews article