By asahifile Best AI for Excel or Google Sheets
The best AI for Excel or Google Sheets is whatever already fits the app you use. If you live in Excel, Microsoft Copilot is the natural choice; if you work in Google Sheets, Gemini is built in; and if you want one assistant for both plus file uploads and explanation, a general chat model like ChatGPT or Claude is the most flexible. For formula-only jobs, a dedicated add-on such as Formula Bot or Rows is faster than explaining your whole sheet to a chatbot.
This guide compares the practical options and then shows what each is genuinely good at, so you stop guessing.
Built-in assistants vs add-ons vs chatbots
There are three places spreadsheet AI lives, and they feel very different:
– **Built-in assistants** (Copilot in Excel, Gemini in Sheets) sit in the app. They can see your actual data, so they don’t need pasting. Best for quick edits in place.
– **Add-ons** (Formula Bot, Rows, and similar) extend the sidebar with focused tools — generate a formula, clean a column, summarize a range. Best for one specific recurring job.
– **General chatbots** (ChatGPT, Claude, Gemini chat) work with anything and are great for explaining, planning, and messy one-off tasks, but you usually paste data in and out.
Most people end up with one built-in assistant and one chatbot, and that combination covers almost everything.
How the main options compare
| Tool | Best for | Strengths | Weaknesses | Price tier |
|——|———-|———–|————|————|
| Microsoft Copilot (Excel) | Excel users | Sees your workbook, generates formulas, creates charts and summaries | Availability and features vary by Microsoft plan | Bundled with some Microsoft subscriptions; paid tiers vary |
| Gemini (Google Sheets) | Google Sheets users | Built into Sheets, helps write formulas and analyze ranges | Feature set changes often and depends on your Google plan | Free tier for some features; paid plans in the low monthly range |
| ChatGPT (with file uploads) | One-off analysis | Upload a CSV and ask questions, explain formulas, clean data | Not embedded in the sheet; you move files around | Free tier; paid plans in the low monthly range |
| Claude (chat) | Long, messy data work | Handles big pasted ranges and long reasoning about structure | Same copy-paste friction as other chatbots | Free tier; paid plans in the low monthly range |
| Formula Bot | Formula generation | Turns plain English into a formula, quick to learn | Narrow focus, best for formulas not full analysis | Free tier; paid plans in the low monthly range |
| Rows | Spreadsheet with AI built in | Native AI functions inside a spreadsheet UI | It is its own app, not an add-on to Excel or Sheets | Free tier; paid plans in the low monthly range |
Confirm the current pricing and feature limits on each vendor’s page, because these change on their own schedules.
What each tool is actually good at
**Writing formulas from plain English.** All of them handle this. Formula Bot and the built-in assistants are fastest because they don’t require pasting a description of your columns. Copilot and Gemini also know your real column names, which reduces wrong references.
**Cleaning messy data.** Splitting names, standardizing dates, removing duplicates, and fixing inconsistent text is where chatbots shine. Upload the file to ChatGPT or paste the range into Claude and describe the cleanup in the target column’s terms. Built-ins can do some of this but are less conversational.
**Data analysis and charts.** Copilot and Gemini can suggest and build charts inside the sheet. Chatbots can do a deeper exploratory analysis if you upload the data — correlations, outliers, quick summaries — but the output lives in chat, not the sheet.
**Explaining existing formulas.** “What does this formula do, and why is it returning an error?” is a great chatbot question. Paste the formula and the header row and you’ll usually get a clear answer plus a fix.
**Recurring, repeatable jobs.** If you do the same cleanup every Monday, an add-on or a saved script beats re-prompting by hand. This is where dedicated tools pay off.
A simple way to choose
1. **Excel user doing everyday edits?** Turn on Copilot and stop overthinking it. It is already in the app.
2. **Google Sheets user?** Use Gemini for formula help and summaries first.
3. **Mixed work, or lots of one-off files?** Keep a free chatbot tab open for uploads, cleaning, and explanation.
4. **Only ever need formulas?** A formula-focused add-on is the fastest path.
5. **Need AI inside a spreadsheet UI with automation?** Consider an AI-native spreadsheet such as Rows.
You can run two of these at no cost, so experiment before you subscribe to anything.
Practical tips that make any of them better
1. **Describe columns by header name,** not by column letter. “Sum the *Revenue* column where *Region* equals West” beats “sum F where B is West.”
2. **Paste a few sample rows** so the assistant can see your actual formatting, dates, and edge cases.
3. **Ask for the formula, then test it on a copy.** Never run a generated formula on data you can’t restore.
4. **Request an explanation with the answer.** “Give me the formula and explain each part” teaches you and makes errors obvious.
5. **Keep sensitive data out of chat tools** unless you’ve checked the provider’s data policy. For client or personal financial data, prefer a built-in assistant governed by your existing account.
Common mistakes to avoid
– **Trusting a generated formula without testing it.** AI spreads logic errors quietly. Always spot-check with a tiny known example.
– **Pasting an entire confidential sheet into a public chat.** Use the in-app assistant or anonymize first.
– **Asking a chatbot to “analyze my data” without context.** Tell it what decision you’re trying to make.
– **Expecting the built-in assistant to have every feature.** Capabilities differ by plan and roll out gradually.
FAQ
What is the best free AI for Excel?
Microsoft Copilot, Gemini in Sheets, and general chatbots like ChatGPT and Claude all offer some free access, and formula add-ons such as Formula Bot have free tiers. Which is “best” depends on whether you need in-app help or a flexible chatbot.
Can AI write Excel formulas for me?
Yes. Describe what you want in plain English and the assistant will usually return a working formula, often with an explanation. Test it on a copy of your data before trusting it at scale.
Is AI good at analyzing data, or just formulas?
It does both. Built-in assistants can build charts and summaries inside the sheet; chatbots can do deeper exploration if you upload the file, though the results stay in the chat rather than the sheet.
Can I use ChatGPT with Google Sheets?
Indirectly. ChatGPT is not embedded in Sheets by default, but you can upload a CSV export, ask your questions, and copy results back. For in-sheet work, Gemini is more direct.
Will these tools work with sensitive company data?
Only if your plan and policy allow it. Built-in assistants inherit your existing account’s governance, while public chatbots may use data differently. Check the provider’s data policy before pasting anything confidential.
Bottom line
Match the tool to the app: Copilot for Excel, Gemini for Google Sheets, and a chatbot such as ChatGPT or Claude for flexible one-off work. Add a focused formula tool only if formulas are your whole job.
**Action step:** open your most-used spreadsheet, turn on the built-in assistant, and give it one real task today — then keep a chatbot tab open for the messy jobs the built-in tool can’t handle.
Tools mentioned
Disclosure: some links below are affiliate links. If you sign up through them, I may earn a commission at no extra cost to you.
- Gemini: link (replace with your affiliate link)
- ChatGPT: link (replace with your affiliate link)
- Claude: link (replace with your affiliate link)
- Formula Bot: link (replace with your affiliate link)
- Rows: link (replace with your affiliate link)