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Same Microsoft stack, different job
Power BI Copilot and Microsoft 365 Copilot help inside Microsoft’s broader productivity and BI experiences. Nova is a governed AI analyst that lives in Microsoft Teams and answers against approved Power BI semantic models with permission-aware results.
Organisations often need both: Copilot where Microsoft provides it, and a Teams-native analyst for chat-first KPI and variance questions without another portal hop.
What buyers should compare
Compare where answers appear (Teams thread vs report experience), how access is enforced (Entra + Power BI permissions / RLS), whether channel audience policy matters for shared chats, and whether you need scheduled insights into a channel.
Pricing models differ too: Nova is usage-based with Nova credits and the same capabilities on every plan, not a per-seat add-on for analyst features.
Read the full comparison
For a side-by-side view, see Nova vs Power BI Copilot and the Teams-workflow comparison on this site. For definitions, start with what a governed AI analyst is and the glossary.
Related: What is a governed AI analyst? · Nova vs Power BI Copilot · Scheduled insights