Both FITS and AI for Sheets bring AI generation directly into Google Sheets using in-cell formulas, but they take different approaches to pricing, model access, and feature scope. This comparison is based on each product's publicly listed features and pricing, not a controlled test, so you can weigh the tradeoffs yourself.
We focused on the criteria that matter most for content marketing teams: how content gets generated, which AI models you can use, how pricing scales as your team grows, and what's included at each tier.
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Feature Comparison: Side-by-Side
| Feature | FITS | AI for Sheets |
|---|---|---|
| In-cell formula | =FITS("prompt") | =GPT("prompt") |
| Free tier | Unlimited on Gemini | Free to install |
| Model choice | Gemini, GPT-4, Claude, OpenRouter | GPT-based |
| Bulk/batch generation | 1,000+ rows on Lifetime tier | Formula fills down like any Sheets formula |
| Built-in charts / pivot tables / formatting | Not a dedicated feature | Advertised as a core feature |
| Processing history / token tracking | On Lifetime tier | Not published on listing |
| Pricing model | One-time lifetime license | Free install + paid features (tiers not published) |
Feature details are based on each product's public Google Workspace Marketplace listing and website as of July 2026. Marketplace listings change. Verify current details before purchasing.
The Philosophy Difference
FITS: One Formula, Full Control
FITS is built around a single flexible formula: =FITS("your prompt"). You write the prompt, choose the model on the Lifetime tier, and the result lands in the cell. There's no separate configuration panel to learn.
=FITS("Write a 2-sentence product description for " & A2 & " targeting " & B2 & ". Keep the tone friendly and concise.")FITS Strengths:
- • Simplicity First: One formula covers generation, rewriting, and analysis
- • Model choice: Free on Gemini, or unlock GPT-4, Claude, and OpenRouter with the Lifetime tier
- • Bring your own API key: On the Lifetime tier, you pay your model provider directly, no markup
- • Lifetime License: One-time $60 purchase instead of a recurring subscription
AI for Sheets: Formula Plus Built-In Tools
AI for Sheets also uses an in-cell formula (=GPT("your prompt")) for content generation, but its Google Workspace Marketplace listing advertises additional built-in tools beyond the formula itself: automated data cleaning, chart and graphic creation, and formula generation.
AI for Sheets Strengths:
- • Feature Breadth: Chart, pivot table, and formatting generation beyond text output
- • Data cleaning tools: Dedicated automated formatting and cleanup features
- • Familiar syntax: Formula-based, so it fits directly into existing sheets
Pricing: Cost Control and Transparency
FITS publishes its full pricing on its Premium page. AI for Sheets' Google Workspace Marketplace listing states it's free to install with paid features available, but doesn't publish detailed tier pricing. Check its listing directly for current rates before comparing costs.
FITS Pricing Model
Lifetime License:
One-time purchase, use forever
API Costs:
You pay your own API provider directly - complete transparency
Cost Control:
Set your own usage limits, pay only for what you use
Total Control:
$60 one-time, no recurring fee
AI for Sheets Model
Free Tier:
Free to install per its Marketplace listing
Paid Features:
Available, but exact tiers and prices aren't published on the listing
Before you buy:
Check the current listing for up-to-date pricing
When to Choose Each Tool
Choose FITS If You:
- • Want a single, flexible prompt formula rather than a set of specialized tools
- • Prefer a one-time cost over a recurring subscription
- • Want to choose between Gemini, GPT-4, Claude, and OpenRouter models
- • Want to bring your own API key and pay your provider directly
- • Need bulk processing across large batches of rows
Choose AI for Sheets If You:
- • Want built-in chart, pivot table, and formatting generation alongside text prompts
- • Want dedicated data-cleaning tools beyond a general-purpose prompt
- • Are comfortable evaluating pricing directly on the Marketplace listing before committing
The Bottom Line
If you want a simple, predictable-cost tool that generates content directly in cells and lets you choose your AI model, FITS is the more straightforward option, free on Gemini, or a $60 one-time unlock for GPT-4, Claude, and OpenRouter.
If your workflow depends on built-in chart generation, pivot tables, or automated data cleaning beyond text output, AI for Sheets' broader feature set may be worth exploring, just confirm current pricing on its Marketplace listing first.
Try It With Your Own Workflow
The best way to compare is to try both with your actual content. Download our content calendar template and test FITS formulas against your real workflows.