Grammarly after ChatGPT: a quality check before you hit send

By Jason Sibley

You've asked ChatGPT or Claude to draft a customer email or a quote cover note. It reads well enough. Then it goes out with "Hey there!" at the top and "organize" in the middle, and the price is last month's.

This guide is about the few minutes between "looks fine" and "sent". Grammarly is one step in that routine, not the whole of it.

Why AI drafts can cost you trust

Tone is the first problem. AI drafts tend to swing between gushing and stiff. Gushing is "We're absolutely thrilled to be part of your special day!" in a routine booking confirmation. Stiff is a letter from a solicitor, sent to a customer who's been on first-name terms with you for years. Either way it doesn't sound like you, and regulars notice even when they can't say why.

Spelling and phrasing is the second. Most AI tools write American English unless you tell them otherwise. "Colo