Should you build or buy software? This Wall Street firm has a new tool to decide.

A bricklayer builds a wall at a construction site in Kuala Lumpur Reuters A version of this story originally appeared in the BI Tech Memo newsletter. Sign up for the weekly BI Tech Memo newsletter here. The build-versus-buy debate around business software has a new calculator. Last year, I wrote about how AI coding tools were making it easier for companies to create their own internal apps instead of paying an outside software provider. That shift raised a tempting question: Why keep buying…