Power BI has evolved into the leading platform for both self-service and IT-managed enterprise business intelligence. The decision to migrate to Power BI Premium depends on the requirements of each customer. Customers should carefully evaluate additional benefits to make an informed decision. And to be clear currently there aren’t any plans to deprecate AAS.
Having said that you would have noticed that there is a focus on investment in Power BI Premium for enterprise data modeling, and so additional values provided by Power BI Premium should increase over time.
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