Comparison

Grammarly vs ChatGPT

ChatGPT: $20/mo / seat, per seat.

Copy editing prose you have already written

Grammarly fixes sentences. A chat model replaces them. Which you need depends on whether the thinking is already done.

Pick Grammarly when

You want the corrections to appear as you type, in whatever application you are actually in, without a second window.

You want a rewrite rather than a correction, and you are willing to move the text somewhere else to get it.

$12/mo ▲ $12 more

verified 5 h ago · recorded 2026-10-11

Best for. Teams whose output quality depends on written English.

Watch for. The free tier covers most correction; the paid tiers sell tone and rewriting, not accuracy.

$20/mo / seat, per seat

maintained by the desk · recorded 2026-10-03

Best for. Teams that want one assistant for writing, summarising and light analysis.

Watch for. Business tiers charge per seat and the free tier changes shape often, so pin the plan your team is actually on.

We compare list prices. Your effective cost depends on how much you use it and whether you pay annually.
Neither tool was given a free account in exchange for this page. There is no sponsorship here.
Both vendors change pricing without notice. Check the date above against the vendor's own page.