What is the best spreadsheet AI?

For consultants, finance teams, and analysts who still work in real Excel files, Deckary is the best spreadsheet AI because it runs inside Excel and handles multi-step workbook work with verification.

Which spreadsheet AI works with existing Excel workbooks?

Deckary, Microsoft 365 Copilot, and ChatGPT for Excel work with existing Excel workbooks. Rows, Sourcetable, Grist, and Quadratic are separate spreadsheet environments.

Are AI spreadsheet apps better than Excel add-ins?

They are better for browser-based reporting, connected data, and collaborative app-style workflows. Excel add-ins are better when the source of truth is still a live .xlsx workbook.

Can spreadsheet AI handle multi-sheet models?

Some tools can. Workbook-focused products such as Deckary, Copilot, and ChatGPT for Excel are better fits for multi-sheet models than row-based or blank-sheet generators.

Spreadsheet AI: Excel Agents vs AI Spreadsheets

Name: Deckary
Rating: 4.8 (50 reviews)
Author: Deckary

Spreadsheet AI guide for Excel users. Compare Deckary, Rows, Sourcetable, Grist, and Quadratic to pick the right tool for workbooks and new reports today.

Bob · Former McKinsey and Deloitte consultant with 6 years of experienceMay 9, 202611 min read

Pricing and feature information was accurate at the time of publication. Competitor products change frequently — verify current details on each provider's website.

Spreadsheet AI means two different things in 2026. It can mean an AI tool inside Excel, or it can mean a new spreadsheet product with AI built in. Deckary sits in the first group as an agentic AI Excel add-in for consultants, finance teams, and analysts who need to work inside real .xlsx files instead of moving data into another app.

We reviewed the top 5 Google results for "spreadsheet ai" on May 9, 2026, then checked 11 official product, pricing, and help pages across 7 tools. We mapped each product against 8 jobs: blank-sheet generation, file import, multi-tab edits, formula help, cleanup, workbook audits, connected reporting, and output-sheet creation.

For teams that still live in Excel, we recommend Deckary's AI Excel Agent. It follows a read workbook -> plan steps -> write formulas or sheets -> verify output -> ask before destructive edits loop, which is a better fit for finance and consulting work than a browser spreadsheet built for dashboards or template generation.

Tool	Category	Works in existing Excel workbook	Starting price	Best for
Deckary	Excel AI agent	Yes	$180/year	Workbook audits, cleanup, models, output tabs
Microsoft 365 Copilot	Excel prompt assistant	Yes	$18/user/month paid yearly, plus qualifying Microsoft 365 plan	Formulas, charts, PivotTables, guided edits
ChatGPT for Excel	Excel workbook assistant	Yes	Included in supported ChatGPT plans	Workbook updates, explanations, scenarios
Rows	AI spreadsheet app	No	$6/user/month billed annually	Connected reporting and dashboards
Sourcetable	AI spreadsheet app	No	Free plan; Pro from $39/user/month	Blank-sheet generation and browser analysis
Grist	Relational AI spreadsheet	No	$8/user/month billed annually	Relational workflows, records, formulas
Quadratic	AI spreadsheet plus code	No	$18/user/month billed annually	Spreadsheet analysis with Python and SQL

Spreadsheet AI comparison infographic for Excel add-ins and AI-native spreadsheet tools

What Is Spreadsheet AI?#

Spreadsheet AI is software that lets you ask for spreadsheet work in plain English instead of building every formula, chart, summary, cleanup step, or report by hand.

The current SERP mixes together products that solve very different jobs. Some results point to Excel-native tools that edit the workbook already open on your desktop. Others point to browser spreadsheets built for reporting, databases, or app-style collaboration.

That split matters because spreadsheet work is rarely a one-step prompt. The 2023 paper InstructExcel: A Benchmark for Natural Language Instruction in Excel introduced more than 10,000 samples covering 170-plus Excel operations across 2,000 public spreadsheets. The 2024 NeurIPS benchmark SpreadsheetBench is built from 912 real questions collected from Excel forums, not toy prompts, and shows how messy real spreadsheet tasks get once files include multiple tables, irregular layouts, and prior user errors.

That is why "has AI" is not enough as a buying rule. You need to know whether the tool is built for workbook execution, browser reporting, relational records, or code-heavy analysis.

Spreadsheet AI vs Excel AI#

Spreadsheet AI is the broad category. Excel AI is the part of that category that works inside Microsoft Excel.

If your source of truth is still a live workbook passed between finance, FP&A, or consulting teams, Excel AI is usually the right starting point. Microsoft says Edit with Copilot in Excel lets users build and edit workbooks side by side with Copilot using tables, charts, PivotTables, and formulas. OpenAI's Help Center article for ChatGPT for Excel says the add-in can build, update, and explain large multi-tab spreadsheets directly in place.

AI spreadsheet apps solve a different problem. Rows is built around connected reporting, scheduled refreshes, and AI tasks inside its own spreadsheet environment. Sourcetable positions itself around generating full spreadsheets, templates, charts, and analyses in the browser. Grist blends spreadsheet views with relational records, pages, widgets, and Python formulas. Quadratic treats the spreadsheet as a surface for AI, charts, database connections, Python, SQL, and JavaScript.

Question	Excel AI tool	AI spreadsheet app
Where does the work happen?	Inside Excel	In a separate browser spreadsheet
Best starting point	Existing `.xlsx` workbook	New report, app-like sheet, or browser workflow
Best use cases	Audit, cleanup, model updates, output tabs	Dashboards, integrations, relational data, code-driven analysis
Main trade-off	Tied to Excel workflows and licensing	Usually requires moving out of Excel

The practical test is simple. If the ask sounds like "fix this workbook," start with Excel AI. If the ask sounds like "build me a new shared reporting layer," an AI spreadsheet app may be better.

Continue reading: Bar Charts in PowerPoint · Best Fonts for PowerPoint · McKinsey Slides

Build and audit Excel workbooks with AI

Describe the model, cleanup, audit, or output sheet you need. Deckary's AI Excel agent works through the task inside your workbook.

Try AI Excel Agent See How It Works

Best Spreadsheet AI Tools Compared#

Deckary#

Deckary is the best spreadsheet AI for teams that still work in Excel and need the workbook itself to remain the source of truth. The fit is strongest for consulting, finance, and analyst workflows where the file already exists and the job is to clean it, audit it, extend it, or turn it into an output sheet someone else can review.

Deckary's current pricing page lists Premium at $180 per year and says that plan includes both the AI Excel Agent and the PowerPoint AI tools. The product angle is workbook execution with controls: read workbook, plan steps, write formulas or sheets, verify output, and pause before destructive edits. That is why it fits naturally with Excel AI, AI for Excel, and Excel AI Tool.

Microsoft 365 Copilot and ChatGPT for Excel#

Microsoft 365 Copilot and ChatGPT for Excel are both spreadsheet AI tools inside Excel, but they sit between prompt helpers and full workbook agents.

Microsoft's pricing page currently shows Copilot Business starting at $18 per user per month paid yearly, with a qualifying Microsoft 365 plan required. Microsoft's Excel support page says editing works in the currently open workbook and uses built-in Excel features. That makes Copilot a strong fit for formula help, charts, PivotTables, and guided edits inside Microsoft-heavy environments.

ChatGPT for Excel is broader on workbook reasoning. OpenAI's help article says it can build, update, and explain multi-tab spreadsheets directly in Excel, and the tool is available across supported ChatGPT plans. It is a good general-purpose spreadsheet assistant, especially if your team already uses ChatGPT. The trade-off is that OpenAI still tells users to review changed cells, formulas, and calculations before relying on the output.

Rows#

Rows is an AI spreadsheet app, not an Excel add-in. Its product pages focus on importing business data, building reports from connected sources, sharing dashboards, and using AI to add columns, edit cells, build charts, and automate repetitive work.

The pricing page shows Plus from $6 per user per month billed annually, and its AI page says the product shares only the minimum needed context with the model: headers, up to 5 sample rows, and basic statistics. That is a good fit for browser-based reporting and recurring connected analysis. It is a weaker fit if your team has to preserve the logic and audit trail of the original Excel workbook.

Sourcetable#

Sourcetable is the clearest "AI spreadsheet" product in the blank-sheet sense. Its generator page says it builds complete spreadsheets with data, formulas, charts, and formatting from a prompt. Its pricing page shows a free plan, Pro at $39 per user per month, and Max at $100 per user per month.

That makes Sourcetable strongest when the task starts from zero: build a budget, create a project tracker, spin up a reporting sheet, or generate a financial model template in the browser. It is less attractive when the real job is to repair or extend the workbook your team already uses.

Grist#

Grist sits in a different part of the spreadsheet AI market. It is not trying to be "Excel with a chatbot." It is a relational spreadsheet where the AI assistant can answer questions, create or modify records, help with formulas, and work across tables, pages, and widgets.

That structure has trade-offs. Grist's help center says the assistant can create or modify tables, pages, and most widgets, but it cannot create or modify charts, forms, access rules, or page layout. The same doc says Grist sends the prompt, schema, and data to OpenAI when a user submits a request. Pricing starts at $8 per user per month billed annually for Pro, with AI credits included. Grist is a good fit if your "spreadsheet" is really a lightweight operational system with relational data.

Quadratic#

Quadratic is best understood as an AI spreadsheet for analysts who want code and data connections built into the sheet itself. Its product pages highlight AI charting, SQL generation, Python, JavaScript, PDF extraction, and direct database connections. Pricing starts at $18 per user per month billed annually for Pro.

Quadratic is appealing when analysts want spreadsheet speed but do not want to leave behind code, queries, or inspectable logic. That makes it stronger for technical analysis than for standard finance-team workbook collaboration. If the job is "fix the Excel file finance already uses," it is the wrong category.

When Spreadsheet AI Beats Excel AI#

Spreadsheet AI apps beat Excel add-ins when the workbook is no longer the center of the job.

Use case	Better fit	Why
Shared browser dashboards	Rows	Built for connected reporting and publishing
Prompted template creation from scratch	Sourcetable	Stronger blank-sheet generation
Relational records and app-style pages	Grist	Better than forcing database work into Excel
Spreadsheet analysis with Python or SQL	Quadratic	Code and connections are part of the product

Those products are not "worse than Excel." They are solving a different problem. They work best when you want a new surface for analysis, reporting, or collaboration, not when you need to preserve a live Excel model.

When Excel AI Beats Spreadsheet AI#

Excel AI beats AI spreadsheet apps when the real work starts with an inherited workbook, a finance model, a client file, or a reporting pack that already exists.

That is also where control matters most. The 2026 paper Auditing and Controlling AI Agent Actions in Spreadsheets ran a formative study with 8 users and a within-subjects evaluation with 16 users. The authors report that users caught errors during execution that post-hoc review would have missed. That is a useful result for buyers because it points to the same thing spreadsheet teams already know: review is easier when the tool exposes what it is doing as it works.

For consultants, finance teams, and analysts who still work in .xlsx files, we recommend Deckary. It is the clearest fit because it works inside Excel, is built around workbook-level execution instead of one-shot prompts, and adds verification before you trust the output. If your workflow ends in slides, that also keeps the handoff simple through the same product stack.

Best Spreadsheet AI by Use Case#

Pick the tool by starting point, not by hype.

If your real job is...	Best fit	Why
Audit or clean a live Excel workbook	Deckary	Workbook-first execution and overwrite control
Generate formulas, charts, or PivotTables in Excel	Copilot	Strong inside Microsoft 365
Update or explain a multi-tab workbook in Excel	ChatGPT for Excel	Broad workbook reasoning in place
Build a new spreadsheet from a prompt	Sourcetable	Blank-sheet generation is the core use case
Build connected browser reports	Rows	Better for recurring reporting than file-based Excel work
Manage relational spreadsheet data	Grist	Better for records, pages, and workspace structure
Run spreadsheet analysis with code	Quadratic	Python, SQL, JavaScript, and data connections are native

If you want the short version, use spreadsheet AI apps when you want a new tool. Use Excel AI when Excel is still the work product. For most finance and consulting teams, that means starting with Deckary, then comparing it with AI for Excel, Best AI for Excel, and Excel AI Tool.