Power BI Copilot
Copilot for report authoring and DAX inside Fabric.
Full Power BI Copilot record →Head to head
Power BI Copilot (Microsoft) and ThoughtSpot Spotter (ThoughtSpot) both sit in Data & Analytics. Power BI Copilot is the cheaper entry point at Fabric capacity based. ThoughtSpot Spotter shipped more tracked changes in the last 30 days (3 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Power BI Copilot Microsoft | ThoughtSpot Spotter ThoughtSpot |
|---|---|---|
| Segment | Data & Analytics | Data & Analytics |
| Version | 2025 | Spotter |
| Entry cost | Fabric capacity based | from $50/mo |
| Pricing tiers | — | Pro $50 · Enterprise free |
| Model stack | GPT-5 | Claude · Claude Models · Flexible LLM selection · GPT-5.2 · In-house ranking models · OpenAI Models · Spotter · Spotter AI Agents · User-selected LLM |
| Context window | — | Not published |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 3 |
| Origin | Global | Global |
| Capabilities | Report generation, DAX help, Semantic model chat | Conversational analytics, Agentic follow-ups, Semantic model, Embedded analytics, Change analysis, Spotter: AI Analyst, SpotterModel (Data Modeling Agent), SpotterViz (Dashboard/Visualization Agent) |
Copilot for report authoring and DAX inside Fabric.
Full Power BI Copilot record →Conversational BI agent over a governed semantic model.
Full ThoughtSpot Spotter record →