AiAssistWorks lets you type what you need in plain language and have AI do the work inside Google Sheets, Docs and Slides. In Sheets it can fill thousands of rows and help with formulas, charts, formatting, pivot tables and data validation.
You bring your own API key and can use providers such as OpenAI, Anthropic, Gemini, OpenRouter and Groq. It is free forever for light users, with paid plans for more. It suits office workers, analysts and teachers who live in Google Workspace.