Blog
blog
13.11.2026Why you shouldn't vibe code a spreadsheet engine
Some of what Excel does is just weird. And unless you've spent years building a spreadsheet engine, you probably have no idea just how weird.
Hörður Ragnarsson
blog
10.11.2026The GRID Spreadsheet Benchmark: how close do spreadsheet engines get to Excel?
Every spreadsheet solution will say it is compatible with Excel. Now we can check those claims.
Hjalmar Gislason
blog
27.07.2026An agent with a spreadsheet engine beats one without
Our results are now on the official SpreadsheetBench leaderboard: 91.25% on the verified 400 set. Here's what six months of running the benchmark taught us, and why an agent with a spreadsheet engine beats an agent without one.
Steinn Eldjárn Sigurðarson
news
22.06.2026Spreadsheet superpowers, for humans and agents.
GRID's spreadsheet engine is now free for evaluation and non-commercial use - for humans and AI agents alike.
Hjalmar Gislason
blog
03.06.2026Spreadsheets ran the world. Then AI showed up.
The handmade spreadsheet is going extinct, and calculations are moving to formats where few can check the math.
Hjalmar Gislason