RM571400Microsoft Copilot (Microsoft 365): Chat: Access to UBB models via the model selector

Users will be able to access models that require usage-based billing (UBB) from the model selector in Chat. Tenant admins will need to allocate credits so that users can interact with these models. If users consume their allotted credits, they will be able to request credits from their tenant admins.

GA date: October CY2026