As of 2025, Microsoft has developed and released around a dozen Copilot-branded products, each tailored for different platforms, applications, and user needs,
- Copilot for Windows aka Copilot. System assistant for settings, search, and productivity. You can find in your Windows as Copilot.
- Copilot for Microsoft 365. Writing, summarizing, data analysis, meeting notes. You can find in your Microsoft Office like excel, PowerPoint, word, etc.
- GitHub Copilot. Supporting coding in your Visual Studio and Visual Studio Code. Copilot in Edge. It is similar with Copilot for Windows, except works in Edge
- Copilot in Bing / Web. It is similar with Copilot for Windows except works in web.
- Sales copilot. Copilot for Microsoft ERP Dynamic. it helps Sales insights and CRM integration
- Security Copilot. Copilot for Defender and Microsoft Security tools. It helps threat detection and response
- Copilot in Power BI. Formerly as Cortana for Power BI. it helps QnA you data
- Copilot in Designer. Graphic design assistance
- Copilot in Loop. It helps to create content collaboration in Teams and meeting
- Copilot Studio. it helps build custom copilots and workflows
So, Copilot is HUGE family model, which one you prefer!