Copilot in Power BI has been a powerful advancement in making data analysis accessible to everyone. But the quality of Copilot’s output is heavily dependent on the foundation it sits upon — your Power BI data model and metadata. If Copilot doesn’t understand your data structure clearly, its responses can become vague, inaccurate, or not business-friendly.

This article will explain how building a strong semantic model and using rich metadata and descriptions could improve Copilot’s accuracy in Power BI.