Grammarly is an AI tool that analyzes and improves written text in real time. It processes typed or pasted content, then suggests corrections and enhancements for grammar, spelling, punctuation, style, tone, clarity, conciseness, and engagement while flagging potential plagiarism.
About Grammarly
Grammarly is a platform that assists writing by analyzing text inputs in real time and suggesting improvements across grammar, spelling, punctuation, style, tone, clarity, conciseness, engagement, and inclusivity. The system produces corrected and enhanced versions of content, generates new text from prompts, detects plagiarism, and applies user-defined goals (audience, formality, domain). It supports tasks such as typing in any web field (via extension), editing documents in the web editor/desktop app, generating replies/outlines, adjusting tone sliders, and reviewing overall writing stats. Additional functions include vocabulary suggestions, citation formatting, team style guides (Enterprise), and cross-device sync, all via browser extensions, desktop/mobile apps, and web interface.
Use Cases
Pricing
Free
$0
- • Basic spelling/grammar checks, tone detection, generate text with 100 AI prompts/month, works across apps/browsers (limited suggestions), no plagiarism detection, no advanced rewriting/tone adjustments
Pro
$30 ($12 per member/month billed annually or $20 quarterly equivalent)
- • Annual: $12 per member/month (billed annually as $144/year)
- • Everything in Free + full-sentence rewriting, advanced tone adjustments, fluency/clarity suggestions, plagiarism & AI-generated text detection, 2,000 AI prompts/month per member, unlimited personalized suggestions, priority support, team features (style guides, brand tones, user groups for small teams), 7-day free trial
Enterprise
Custom
- • Annual: Custom
- • Everything in Pro + unlimited AI prompts/member/month, unlimited members/users, dedicated support, advanced security (SAML SSO, SCIM, BYOK encryption, data loss prevention, audit logs, managed mode), granular roles/permissions, team analytics/ROI reports, effective communication scoring, confidential mode, centralized billing, custom integrations, enterprise-grade privacy & compliance
Pricing varies by plan and region — see current pricing.
Plan features change — last updated: 2026-03-08.
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Grammarly — Frequently Asked Questions
What does Grammarly check beyond grammar?
Grammarly analyzes clarity, conciseness, tone, engagement, delivery, inclusivity, vocabulary, and plagiarism; suggests rewrites and generative text.
Is Grammarly free?
Grammarly offers a free plan with basic grammar/spelling checks; Premium unlocks advanced tone, clarity, plagiarism, generative AI, and full rewrites.
Does Grammarly work offline?
Grammarly desktop app supports offline basic checks; browser extension and web editor require internet for full features and generative AI.
How does plagiarism detection work?
Grammarly scans against billions of web pages and ProQuest database (Premium), highlights matches, and provides source links.
Can Grammarly generate content from scratch?
Grammarly’s generative AI (Compose mode) creates text from prompts (e.g. emails, outlines, replies) and rewrites existing content.
Sources & References
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