Grammarly
AI writing assistant for real-time grammar, clarity, tone, and style — works everywhere you write
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About Grammarly
Grammarly is the world's leading AI writing assistant, trusted by over 40 million people and 50,000 organizations including Zoom, Atlassian, Databricks, and Salesforce. Now part of the Superhuman platform, Grammarly provides real-time grammar, spelling, clarity, and tone suggestions directly inside every app, browser, and document you work in — from Gmail to Google Docs to Slack.
Beyond simple grammar correction, Grammarly's AI analyzes your writing for clarity, engagement, and delivery — offering sentence rewrites, tone adjustments, and audience-aware suggestions that help you communicate with confidence. The Pro plan adds full-sentence rewriting, brand voice customization, AI text generation with 2,000 prompts/month, and style guide enforcement for teams.
Grammarly is ideal for professional writers, business teams, students, and anyone who writes daily and wants to consistently produce clear, polished, persuasive communication without spending hours editing.
Key Features
- Real-time grammar, spelling, and punctuation checking across all platforms
- AI-powered sentence rewriting for clarity and conciseness
- Tone detector with suggestions to match your intended voice
- Style guide enforcement for consistent brand communication
- Plagiarism checker against billions of web pages
- AI text generation with 100 to 2,000 prompts per month
- Browser extension for Chrome, Safari, Firefox, and Edge
- Integrations with Google Docs, MS Office, Gmail, Slack, and more
- Reader Reactions AI agent to preview audience response
- Citation Finder and Resume Builder AI agents
Pros
- Works across every app and browser — not just a standalone editor
- Trusted by 40M+ users and 50K+ organizations worldwide
- Tone and clarity suggestions go well beyond basic spell-check
- Free plan is genuinely useful with no credit card required
- Enterprise features include DLP, SSO, and brand style guides
- Integrates natively with Google Docs, Outlook, and Slack
Cons
- Pro plan can be expensive at $30/month when billed monthly
- AI generation prompts are limited even on Pro (2,000/month)
- Suggestions can sometimes feel overly prescriptive for creative writing
- Desktop app required for full cross-app functionality
- No long-form AI document drafting like dedicated writing tools
Pricing
Grammarly's Free plan is available at no cost and includes mistake-free writing, tone detection, and 100 AI text generation prompts per month — suitable for individuals with basic needs.
The Pro plan costs $12/member/month billed annually ($30/month when billed monthly) and adds full-sentence rewrites, tone adjustments, brand voice customization, style guide adherence, and 2,000 AI prompts per month.
Enterprise plans are available through Superhuman Go with unlimited members, proactive AI across all apps and tabs, confidential mode, data loss prevention, granular roles and permissions, and dedicated support. Organizations report saving an average of $5,000 per employee per year.
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Frequently Asked Questions
Yes — Grammarly has a free plan with grammar and spelling checks plus 100 AI prompts/month. The Pro plan at $12/mo (annual) adds full rewrites, tone adjustments, and 2,000 AI prompts.
Grammarly checks clarity, engagement, tone, and delivery. It rewrites sentences for conciseness, detects your tone, enforces style guides, checks for plagiarism, and generates AI text.
Yes — Grammarly integrates directly with Google Docs, Gmail, Microsoft Office, Slack, and virtually any web-based platform through its browser extension.
Grammarly is particularly strong for business writing — it ensures clarity, correct tone, brand voice consistency, and professional polish across emails, reports, and presentations.
Grammarly focuses on real-time cross-platform suggestions and is best for everyday professional writing. ProWritingAid offers deeper developmental editing reports best suited for long-form creative and fiction writers.
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