Google Sheets in 2026 is catching up fast to Excel's Copilot with Help me organize (Gemini-generated tables), the Gemini side panel (chat about your data), Smart Fill (pattern-based auto-complete), formula suggestions, and Connected Sheets (BigQuery at scale).
Most features require a Google Workspace Business Standard+ plan or Google One AI Premium ($19.99/month personal).
Gemini in Google Sheets is the AI layer built into Sheets, replacing the older "Explore" sidebar with a full conversational Gemini. You can ask questions about your data, generate tables from prompts, write formulas in natural language, and get automatic insights — all without leaving the spreadsheet.
1. Generate a table from a prompt. In a new sheet, click the Gemini sparkle → "Help me organize" → "Make a project tracker with task, owner, status, due date, priority." Gemini creates the headers and sample rows.
2. Ask questions about your data. Open the Gemini side panel → "What are the top 5 categories by total sales?" Gemini writes the formula and highlights the result.
3. Smart Fill. Type a pattern in one cell (e.g. extract first name), press Ctrl + Shift + Y, and Sheets fills the entire column.
4. Formula help. Start a formula with = and a description — "=total of column B where column C equals 'Paid'" — Gemini suggests the SUMIF.
5. Connected Sheets + BigQuery. Query billions of rows directly in Sheets without SQL knowledge; Gemini writes the SQL for you.
| Feature | What It Does | Plan Required |
|---|---|---|
| Help me organize | Gemini generates tables from a prompt | Workspace Business+ or AI Premium |
| Gemini side panel | Chat with your spreadsheet | Workspace Business+ or AI Premium |
| Smart Fill | Pattern detection in columns | All plans |
| Formula suggestions | AI-suggested formulas as you type | All plans |
| Explore (legacy) | Auto insights, pivot suggestions | All plans |
| Connected Sheets | BigQuery at scale with AI query help | Workspace Enterprise |
| Data validation assist | AI suggests dropdowns, ranges | All plans |
| Natural language queries | Type English, get formula or pivot | Workspace Business+ |
| Translation (=GOOGLETRANSLATE) | In-cell translation | All plans |
| Sheets + Apps Script AI | Gemini writes Apps Script | AI Premium |
Step 1. Open sheets.google.com on a paid Workspace or AI Premium account.
Step 2. Click the Gemini sparkle icon in the top-right corner to open the side panel.
Step 3. On a blank sheet, type a prompt like "Help me build a weekly marketing calendar with owner, date, channel, status." Click Insert.
Step 4. Try Smart Fill — in column B, type what you want extracted from column A. Press Ctrl + Shift + Y to fill down.
Step 5. For formulas, start with = and Gemini will suggest the complete formula as you type.
Is Gemini in Sheets free? Smart Fill, formula suggestions, and Explore are free. Help me organize and the side panel require a paid plan.
Can Gemini connect to Drive or Gmail from Sheets? Yes, via the side panel you can @-reference Drive files.
How does it compare to Excel Copilot? Excel Copilot is more powerful for complex analysis; Sheets Gemini is faster for quick table generation and simpler workflows. Sheets also beats Excel for collaboration.
Can it write Apps Script? Yes, Gemini writes and explains Google Apps Script for automation.
Does it handle big datasets? For 100k+ rows, use Connected Sheets with BigQuery — Gemini writes the SQL for you.
Is my spreadsheet data used to train Gemini? No. Google confirms paid Workspace content is never used for training.
Google Sheets Gemini is the best choice if you already live in Google Workspace — the Drive and Gmail context integration is unmatched. For heavy financial modeling, Excel Copilot still wins. But for day-to-day team spreadsheets, Sheets in 2026 is genuinely excellent.
Try it now: Open a blank sheet → click the Gemini sparkle → type "Help me build a 30-day content calendar."
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