Grammarly

Grammarly

AI writing assistant for real-time grammar, clarity, tone, and generative drafting across the apps you already use

About Grammarly

Grammarly is an AI writing assistant that checks grammar, spelling, and punctuation in real time while suggesting edits for clarity, conciseness, and tone. Beyond corrections, it now drafts and rewrites text from AI prompts, detects tone, flags plagiarism and AI-generated content, and works inside email, docs, and the browser. It runs everywhere you type. Grammarly is now part of the Superhuman company, sitting alongside Coda and Superhuman Mail.

Key Features

  • Real-time grammar, spelling, and punctuation correction
  • Clarity, conciseness, and full-sentence rewrite suggestions
  • Tone detection and tone adjustment without losing your voice
  • Generative AI prompts to draft, rewrite, summarize, and reply
  • Plagiarism and AI-generated-text detection on paid plans
  • Works across email, docs, and the browser via extensions and apps

Pros & Cons

What we like

  • Catches mistakes instantly as you type, almost everywhere
  • Generous free tier covers core grammar plus 100 monthly AI prompts
  • Suggestions explain the why, so writing actually improves over time
  • Now bundled into the broader Superhuman productivity suite

Room for improvement

  • Generative drafting is capped by monthly prompt limits, not unlimited on lower tiers
  • Better for editing and short copy than long-form generation
  • Sends your text to the cloud, a privacy concern for sensitive work
  • Plagiarism and AI detection are locked behind the paid Pro plan

Frequently Asked Questions

What is Grammarly?
Grammarly is the most widely used AI writing assistant, with tens of millions of daily users. It checks grammar, spelling, clarity, and tone in real time across browsers, documents, and email, and through its generative layer it now also rewrites sentences, adjusts tone, and drafts text from prompts.
How much does Grammarly cost?
Grammarly has a free plan covering core grammar and spelling checks. As of 2026 the paid Pro plan starts around 12 dollars a month on an annual commitment and roughly 30 dollars a month if paid monthly, with custom Enterprise pricing for larger organizations. The free tier is enough for basic everyday correction.
What is Grammarly best for?
Grammarly is best for editing and polishing writing you have already drafted. Its strength is catching errors, improving clarity, and adjusting tone everywhere you type, from email to docs. For generating long-form articles or marketing campaigns from scratch, a dedicated content generator is a better primary tool.
Does Grammarly write content for you?
Yes, to a degree. Beyond correction, Grammarly's generative AI can draft text from a prompt, rewrite passages, and shift tone. Its core identity is still an editing and clarity assistant though, so it complements a content generator rather than fully replacing one for heavy long-form production.

Best For

Polishing emails, reports, and business communicationDrafting and rewriting copy with AI promptsCatching tone problems before hitting sendStudents and writers checking for plagiarism and clarity

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