› For Google Sheets, the best option is Gemini built into Sheets - its side panel can create tables, formulas and charts, while the =AI() function can categorise or summarise hundreds of cells at once.
› If you only need a formula now and then, the free versions of Gemini or ChatGPT in a separate tab may be enough.This is one of the short answers in our Which AI for what?
› I checked this on October 8, 2026.Three options: free, best overall and advancedMy mini testI gave Gemini 3.8 Flash through the API 20 transactions from a bank statement, from “Biedronka groceries” to “Tauron distribution charge,” and asked it to work like =AI(): assign each one of five categories.
› The test used Polish transaction descriptions and prompts.