@Ravit Livny -
The person creating the Copilot agent will need a Microsoft 365 Copilot license. This license is required to build and manage the Copilot agent using Copilot Studio. Ref Doc: https://learn.microsoft.com/en-us/copilot/microsoft-365/microsoft-365-copilot-requirements
Users who will interact with the Copilot agent do not need a separate Copilot Studio license. However, they will need a Microsoft 365 Copilot license to use the Copilot features in Teams. The cost of the Microsoft 365 Copilot license can vary based on your organization's agreement with Microsoft. Typically, it is an add-on to existing Microsoft 365 plans. For specific pricing, you would need to contact your Microsoft account representative or check the Microsoft 365 admin center. Ref Doc: https://learn.microsoft.com/en-us/copilot/microsoft-365/microsoft-365-copilot-licensing
Thanks,
Nivedipa
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