Grammarly

Grammarly is an AI-powered writing assistant that helps you write clearer, more polished, and mistake-free text across email, documents, social posts, and more. Trusted by over 40 million people and 50,000 organizations, it checks grammar and spelling, suggests tone adjustments, rewrites full sentences for clarity, and detects plagiarism — all while working across the apps and platforms you already use, from Gmail to Google Docs to Slack.

Beyond basic proofreading, Grammarly positions itself as a full AI writing partner: it adapts suggestions to the tone and context of what you’re writing, helps you keep your authentic voice instead of flattening it into generic AI text, and now extends into broader AI-assisted writing and productivity work as part of Superhuman.

Key Features

• Grammar and spelling checker
• Tone suggestions that adapt to context
• Full-sentence rewrites with one click
• Plagiarism and AI-generated text detection
• Fluency suggestions for non-native English writers
• Unlimited personalized writing suggestions (Plus and above)
• Generative AI prompts for drafting and rewriting text
• Works across browser, desktop, Word, Google Docs, Gmail, Slack, and mobile
• Responsible AI approach — Grammarly states it does not sell or monetize user content, or allow third-party model providers to train on user data

Who Should Use Grammarly?

• Students and professionals who write daily emails, reports, or documents
• Content writers, marketers, and bloggers
• Non-native English speakers who want fluency support
• Teams and organizations needing consistent writing quality and brand tone across staff
• Enterprises needing security, compliance, and admin controls (Enterprise plan)

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Pros and Cons

Pros

• Extremely easy to use, works inline across most apps and platforms you already write in
• Free plan is genuinely useful, not just a limited trial
• Strong plagiarism and AI-content detection built in
• Tone suggestions help match writing to context, not just fix errors
• Backed by a clear stance on not selling/monetizing user content for training

Cons

• Full feature set (rewrites, plagiarism/AI detection, unlimited suggestions) requires the Plus plan
• Enterprise pricing isn’t public — requires a sales conversation
• Free plan’s 100 AI prompts/month can run out quickly for heavy users

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Grammarly Alternatives

If you’re comparing Grammarly against other AI writing tools:

• Rytr — better fit for generating new content (social posts, ads) rather than proofreading existing text
• Humanize AI — focused specifically on rewriting AI-generated text to sound more natural
• Winston AI — dedicated AI content detector if that’s your primary need
• GPTZero — another widely used AI content detector

Browse more in AI Tools for Copywriting.

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FAQ

What is Grammarly?

Grammarly is an AI-powered writing assistant that checks grammar and spelling, suggests tone adjustments, rewrites sentences for clarity, and detects plagiarism, working across browsers, documents, email, and other apps.

Is Grammarly free?

Yes. Grammarly’s Free plan includes grammar and spelling checking, writing tone insights, and 100 AI prompts per month, with no cost.

How much does Grammarly Plus cost?

Grammarly Plus is priced at ₹392 per member per month when billed annually (India pricing), or ₹1,000 per month when billed monthly, and adds full-sentence rewrites, plagiarism/AI detection, and 2,000 AI prompts per month.

Does Grammarly detect AI-generated text?

Yes. Grammarly Plus and above include AI-generated text detection alongside its plagiarism checker.

Is Grammarly good for non-native English speakers?

Yes. Grammarly Plus includes fluency suggestions specifically designed to help non-native English speakers write more naturally.

Does Grammarly sell or use my writing to train other AI models?

According to Grammarly, it does not sell or monetize user content, and does not allow third-party AI model providers to train their models on user content.

How We Rated It

Criteria	Rating
Accuracy & Reliability	⭐ 4.8/5
Ease of Use	⭐ 4.9/5
Features & Functionality	⭐ 4.7/5
Performance	⭐ 4.7/5
Customization	⭐ 4.5/5
Security & Privacy	⭐ 4.6/5
Customer Support	⭐ 4.4/5
Value for Money	⭐ 4.5/5
Integrations	⭐ 4.8/5