AI assistants and search decision
Sheeter.ai
A single competent developer can build and maintain a service that reproduces the core Sheeter offering (generate Excel/Sheets formulas via an LLM) in about a week; the vendor's durable moats aren't evident from the pages provided.
Visit website↗$1.99/mo
$24/yr
Read off the official pricing page.
$100one-off32 h to build
$20/mo6 h/mo upkeep
On cash alone, building overtakes the subscription at 15 seats.
Open-source builds that already do this
Every project below is open source and already does this job today. Fork one, self-host it, or take the parts you need - the build prompt further down assumes an empty file, and this is the shortcut past that. Licences differ; check the one on each card before you ship. All Sheeter.ai alternatives, with the arithmetic →
What a replacement has to do
- User enters a natural-language formula request → backend sends a prompt to an LLM → LLM returns a formula string → UI displays formula, decrements credit, user copies or downloads the formula/add-on.
What it still won’t have
- Any proprietary models or undisclosed internal prompt/data optimizations the vendor may use
- Polished UI/UX and branding polish present in the hosted product
- Vendor-provided lifetime plan or commercial support
- Hosted add-on distribution and possible one-click install experience
What remains hard
- Product polish and ongoing maintenance
First-year cost
Keep paying
Paying is—cheaper in year one.
On cash alone, building overtakes the subscription at 15 seats.
Money you would actually spend
Time you would spend
—
What you would spend
What we assumed
The verdict above measures whether you could build it. This one is only about money.
Runnable build prompt
Build a minimal self-hosted Sheeter replacement using Next.js for the frontend, Node.js + Express for the backend, Postgres for storage, and the OpenAI API for generation. In scope: (1) a landing page and authenticated UI with an input box for natural-language requests and a results panel, (2) a backend endpoint that formats prompts, calls OpenAI (or another LLM), validates/sanitizes model output into Excel/Google Sheets formula syntax, and returns the result, (3) simple user accounts and per-user monthly credit counters (50 credits default), (4) a copy-to-clipboard button and an export/download option, (5) basic admin pages to view usage. Out of scope: building a commercial payments integration beyond a single Stripe plan, advanced add-on packaging for the Google Workspace Marketplace, and training any custom models. Require: input validation, output sanitization (reject/flag outputs that contain unsafe code), rate-limiting, unit tests for prompt-to-formula mapping, integration tests for the generation API, and error handling/logging for failed LLM calls.
How we checked
How the score was reached
- Build verdict base78
- An open-source build was found+5
- 4 cited sources+3
- Price verified on pricing page+3
- 3/3 assessment runs agreed+4
- Evidence score93
The base comes from the verdict. Everything under it is a check that either happened or did not, and each one is a fact frozen in this record rather than a judgement made at render time - so the same evidence always produces the same number.
How scoring works →Cited sources · 4
Every page the run actually retrieved.
- official productSheeter - Your Personal AI Excel Formula Generator
- official pricingPricing - Sheeter
- open sourcearc53/DocsGPT
- open sourceaingdesk/AingDesk
Integrity checks
What held up, and what did not.
