Inspired by Jonathan Hoefler's essay that illustrated the problems with pangrams as typeface proofs, I wanted to build a simple site that lets you proof any font from Google Fonts with his proof texts. Almost all(~95%) of the site was built with Gemini CLI
The differences are very subtle in lowercase, check uppercase? But maybe your system doesn't have Helvetica/Arial installed? I assumed its available on every OS, but that might not be the case.