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Numerous.ai

Spreadsheet add-on that brings ChatGPT into Google Sheets and Excel through an =AI function.

Numerous.ai is a spreadsheet add-on that brings ChatGPT into Google Sheets and Excel. Numerous.ai adds an =AI function that users call from any cell to generate text, summarise, classify or clean data across many rows at once. It needs no API key and caches results so repeated queries are not charged twice.

Best for Marketers, researchers and analysts who already work in spreadsheets and want to run the same AI prompt over many rows.

Numerous.ai website home page
Screenshot of numerous.ai, captured 9 Oct 2026
Platforms
Plugin
Pricing model
Subscription
Free trial
No
Made by
Numerous.ai, Inc.
Added

Last verified: . Information taken from numerous.ai.

What is Numerous.ai?

Numerous.ai is an add-on that puts ChatGPT inside Google Sheets and Microsoft Excel. After installing it you call an =AI function from any cell, so a prompt can be applied down a whole column instead of being typed into a chat one row at a time. No API key has to be supplied. The site lists typical jobs: generating ad keywords, ad copy and SEO content for marketing campaigns; summarising, rewriting and extracting information from open-ended text such as survey answers or articles; sorting entries into categories; and cleaning and normalising messy input. Because results are cached for the long term and repeated queries are not sent twice, the same sheet can be shared and re-opened without paying again for identical prompts. A plan is shared by everyone on a team and works in both spreadsheet programs. The company, Numerous.ai, Inc., says its team is based in San Francisco.

Key Features

=AI Function

Runs a prompt from a spreadsheet cell and returns the answer in place, ready to fill down a range.

No API Key Setup

Works after installing the add-on, without creating or pasting keys from an AI provider.

Sheets and Excel Support

Covers Google Sheets and Excel under the same subscription.

Result Caching

Stores earlier outputs and skips duplicate queries to keep usage down.

Text Classification and Cleaning

Summarises, categorises, extracts and normalises free-text data in bulk.

Team Plans

Lets all members of a team use one plan, with email or priority support.

Use Cases

Ad Campaign Preparation
Generate keywords, headlines and ad copy for many products in one sheet.
Survey Analysis
Classify and summarise hundreds of open-ended responses.
Data Clean-Up
Standardise inconsistent names, addresses or labels entered by users.
Content Calendars
Produce topic ideas and post variants for different audiences from one prompt.
Prompt Prototyping
Compare prompt structures side by side and share the outputs with colleagues.

Things to know

Usage is measured in characters
The plan shown on the site includes a monthly allowance of ChatGPT input and output characters per person.
Trial is paid
The site advertises a seven-day trial for a small fee instead of a free tier.
Tokens kept after cancelling
The site says you can cancel at any time and keep the remaining tokens.

FAQs

What is Numerous.ai?

Numerous.ai is an AI add-on for Google Sheets and Excel that lets you use ChatGPT directly in spreadsheet cells.

What is Numerous.ai used for?

Numerous.ai is used to generate marketing copy and keywords, and to summarise, categorise and clean text data in bulk inside a spreadsheet.

Do I need an OpenAI API key for Numerous.ai?

No. Numerous.ai says no API keys are needed; you set up the add-on and start.

Does Numerous.ai work in Excel?

Yes. Numerous.ai can be used in both Google Sheets and Excel.

How much does Numerous.ai cost?

Numerous.ai sells per-user subscriptions with a character allowance, offers a paid seven-day trial and custom plans on request. See the official site for current figures.

Can a team share Numerous.ai?

Yes. Numerous.ai states that everyone on a team can use the same plan.

Who makes Numerous.ai?

Numerous.ai is made by Numerous.ai, Inc., whose team is based in San Francisco.

Who it's for

  • Digital marketers
  • Content creators
  • Students
  • Researchers
  • Product managers

TagsGoogle SheetsExcelChatGPTspreadsheet add-onbulk prompts

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