CopilotKit

Stub active Updated May 5, 2026

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Location Seattle, WA
Founded 2023
Latest Stage Series A
Total Raised $27M
Website https://copilotkit.ai/
Sector
ai developer-tools ai-agents open-source infrastructure

Investors

NFX series-a (2026)

Founders

Atai Barkai CEO & Co-Founder
Uli Barkai Co-Founder, Growth & Partnerships

About

CopilotKit is a Seattle-based developer infrastructure company that builds open-source frameworks for embedding AI agents inside applications, including CoAgents and the AG-UI agent-user interaction protocol 1. The company was founded by brothers Atai Barkai (CEO) and Uli Barkai (Growth, Partnerships & Ecosystem Lead); Atai previously led media infrastructure at Meta and worked on flagship applications at Doximity 2. CopilotKit announced a $27M Series A on May 5, 2026, led by Glilot Capital Partners with participation from NFX, SignalFire, and 97212 Ventures 12. Enterprise users include Deutsche Telekom, Docusign, Cisco, and S&P Global, and the AG-UI protocol has been adopted by Google, Microsoft, Amazon, and Oracle 12.

Funding History

Date Round Amount Lead Co-investors
2026-05-05 Series A $27M Glilot Capital Partners NFX, SignalFire, 97212 Ventures 12

What Investors Say

No independently sourced investor quotes found.

What Founders Say

No independently sourced founder quotes found.

Sources

  1. Marina Temkin, “CopilotKit raises $27M to help devs deploy app-native AI agents,” TechCrunch, May 5, 2026. https://techcrunch.com/2026/05/05/copilotkit-raises-27m-to-help-devs-deploy-app-native-ai-agents/↩↩↩↩

  2. CTech, “CopilotKit raises $27 million to build infrastructure for AI agents,” May 2026. https://www.calcalistech.com/ctechnews/article/bkbjddprbx↩↩↩↩