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FormulaCraft vs ChatGPT for formulas
Using a general chatbot for Excel/Sheets formulas · Facts checked June 27, 2026
Pick ChatGPT for formulas when
You're asking a one-off question, you already have ChatGPT open, you're going to paste the formula into a test cell anyway, and getting the formula wrong has no consequences.
Pick FormulaCraft when
Accuracy matters. You're going to ship this formula into a real sheet, share it with a colleague, or run it on production data. You want the formula verified on your data before you trust it.
Feature comparison
| Feature | ChatGPT for formulas | FormulaCraft |
|---|---|---|
| Generate formulas from English | ✓ Yes | ✓ Yes |
| Verified execution A chatbot cannot run your formula on your data. | — No | ✓ Yes |
| Locale dialect handling (comma vs semicolon) | — No | ✓ Yes |
| Version-aware (XLOOKUP availability, etc.) | — No | ✓ Yes |
| Hallucinated function names | Yes (documented) | No (verifier catches these) |
| Bulk .xlsx audit | — No | ✓ Yes |
| Cost | $0 free tier | $0 free (5/day) |
Where ChatGPT for formulas wins
- Free at the GPT-4o-mini / Claude-Haiku tier.
- Already open if you use a chatbot for other work.
- Better for non-formula adjacent tasks (writing the email about the formula, summarizing a dataset, etc.).
Where FormulaCraft wins
- Verified execution: HyperFormula runs the formula on sample data. Chatbots cannot run your formula on your data — they can only generate plausible-looking strings.
- Locale-aware: comma vs semicolon delimiters, decimal point vs comma — chatbots routinely return the wrong dialect for your region.
- Version-aware: XLOOKUP only exists in Excel 365/2021. Chatbots happily suggest it for users on older Excel where it returns #NAME?.
- Doesn't hallucinate function names. Documented failure mode for chatbots: they invent functions that don't exist (UNIQUEX, FILTERX) that look right.
- /audit: upload a broken .xlsx and we identify every issue. ChatGPT can't read your file unless you upload it manually for each question.
- Cited accuracy benchmarks put chatbots at 45-65% on Excel formula correctness; verified execution lets us catch the wrong ~35-55% before you paste them.
Want to see verified execution in action?
Paste any formula at /verify — we run it on sample data, no signup, no quota. The capability that separates us from ChatGPT for formulas.
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