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Grammarly

A.I. writing partner that proofreads, rewrites and adjusts the tone of your writing

Grammarly is an A.I. writing tool that the company describes as an A.I. partner that helps turn your thoughts into clear writing. The pages say Grammarly is now part of Superhuman.

You can use it for proofreading, paragraph rewrites, tone suggestions, and generating text from prompts. It also offers a Humanizer agent and an A.I. Detector agent that spots A.I.-generated text. The homepage shows it giving suggestions inside a Zendesk text box, so it can work where you already write. Sign-up is free, and a free plan is available. The paid Pro plan adds full-sentence rewrites, tone adjustments, and more A.I. prompts. An Enterprise plan is offered for larger organizations through sales.

What it does

Our take (opinion)

Best for

  • Anyone who wants help proofreading and polishing everyday writing
  • Teams that want consistent tone and brand style in their writing
  • People who want a free plan to try before paying

Watch out for

  • The free plan is limited to 100 A.I. prompts, while Pro includes 2,000
  • Pro costs more when billed monthly ($30) than annually ($12)
  • Enterprise pricing isn't listed publicly; you have to contact sales

Pricing

Free plan + paid plans. From the tool's site: “Free $0 USD / month” source: grammarly.com

Details checked against grammarly.com on October 19, 2026. How we review tools. Work on Grammarly? Claim this listing to send corrections.