The gptsheet blog
Notes on LLMs in Google Sheets, AI formulas, BYOK economics, and real spreadsheet workflows.
ChatGPT in Google Sheets: the real guide (2026)
How to call ChatGPT from a cell — what works, what doesn't, and the BYOK trade-off most blog posts skip.
How to translate Google Sheets cells with AI (2026 guide)
One formula. Any language. Real production-grade translation in Sheets.
Call OpenAI from Google Apps Script: a complete tutorial
Step-by-step Apps Script tutorial — API key storage, error handling, retries, and when to graduate to an add-on.
An AI chat agent that edits your Google Sheet
A sidebar agent that reads ranges, writes formulas, builds charts, runs SQL, and calls APIs.
AI web search inside Google Sheets formulas (AI_WEB)
Pull live web answers into spreadsheet cells with =AI_WEB. Examples, cost, when to use it.
Generate images from a Google Sheets cell (AI_IMAGE)
DALL-E vs Gemini Nano Banana, displaying via =IMAGE, cost per image.
Fuzzy match two lists in Google Sheets with embeddings
Match misspellings, synonyms, abbreviations across columns. One formula.
Natural language to SQL inside Google Sheets
Ask MySQL, MS SQL, Postgres, Supabase, or DynamoDB in plain English. Schema-aware SQL generation.
Live Stripe MRR in Google Sheets (in under 5 minutes)
Pull MRR, churn, top customers, and revenue trends — without scripts or Zapier.
Classify 10,000 rows with one AI formula
Sentiment, intent, ticket triage — with the prompt patterns that actually work.
Extract entities from text in Google Sheets (with AI)
Names, emails, phones, companies, dates — pull structured data from messy text.
HubSpot to Google Sheets without Zapier (2026)
Pull HubSpot contacts, deals, and companies directly via the API — no middleware.
PostHog analytics in Google Sheets (live queries, no export)
DAU, funnels, retention cohorts via HogQL — pivot-ready rows, no CSV download.
Claude vs ChatGPT vs Gemini for Google Sheets
Side-by-side on real spreadsheet tasks: classification, extraction, translation, edit.
10 Best GPT for Work Alternatives (2026)
Add-ons compared on price, features, BYOK support, and team plans.
BYOK vs credit packs: the hidden cost of AI in spreadsheets
"$29 for 50,000 AI calls" sounds great — until you run the math.