Pi for Excel: AI sidebar add-in for Excel, powered by Pi (github.com)

Pi for Excel has launched as an innovative, open-source AI sidebar add-in for Microsoft Excel, designed to enhance users' productivity within the familiar spreadsheet environment. Powered by multiple AI models from providers like Anthropic, OpenAI, Google Gemini, and GitHub Copilot, this tool allows users to interact with their workbooks seamlessly. Users can take advantage of 16 built-in functions—ranging from reading and writing cell values to tracing formula dependencies and applying conditional formatting—empowering a more dynamic and insightful analysis of data. The significance of Pi for Excel lies in its multi-model support and customized user experience, ultimately revolutionizing how data manipulation is approached in Excel. With features like auto-context injection for real-time awareness of workbook changes and immediate session history, users can switch between models mid-interaction for tailored responses. Furthermore, it introduces a user-friendly command system and integration options with external tools for web searches and custom processing gateways. This development positions Pi for Excel as a valuable asset within the AI/ML community, facilitating advanced analytical capabilities while leveraging the power of AI in traditional spreadsheet usage.