Improve writing clarity and correctness for productivity
Grammarly is an AI-powered writing assistant that detects grammar, spelling, punctuation, tone, and clarity problems across apps and documents. It’s best for professionals, students, and content teams who need consistent, edit-ready text without hiring an editor. Pricing ranges from a usable free tier to paid Premium and Team plans (monthly and annual billing), making it accessible for individuals and organizations.
Grammarly is an AI writing assistant that checks grammar, punctuation, clarity, tone, and style across browsers, apps, and documents in the productivity category. It highlights errors, suggests rewrites, and offers tone and clarity adjustments to help users produce polished writing faster. Its core differentiator is extensive browser and app integration plus an explainable suggestions panel that shows why a change is recommended. Grammarly serves students, professionals, marketers, and distributed teams who write frequently. Pricing is accessible with a free tier and paid Premium and Team subscriptions for expanded checks and features.
Grammarly launched as a grammar-checking tool and evolved into a comprehensive AI writing assistant focused on clarity, correctness, and tone. Founded to help people produce clearer written communication, Grammarly positions itself as a productivity tool that sits across your workflow — in browsers, Microsoft Office, desktop apps, and mobile keyboards. The company’s value proposition is reducing time spent revising by combining rule-based grammar checks, statistical models, and proprietary NLP to surface actionable corrections and style suggestions.
Over time the product added features for tone detection, clarity rewrites, plagiarism detection, and organization-wide management through admin consoles. Grammarly’s feature set balances line-level corrections with higher-level suggestions. The core Grammar & Punctuation engine flags incorrect verb forms, comma usage, and spelling across documents.
The Clarity and Conciseness suggestions propose rewrite alternatives that shorten sentences and remove redundancy. Tone Detection shows how your text may read (e.g., formal, confident, friendly) and offers adjustments; the Goals panel lets you set intent, audience, and formality to tailor suggestions. Premium/Business tiers add Plagiarism Detection (checks billions of web pages and ProQuest for academic sources) and advanced genre-specific writing checks, plus Style Guides and centralized account management for teams.
Pricing starts with a Free tier that covers basic grammar, spelling, and punctuation checks but does not include clarity rewrites, tone-specific goals, or plagiarism detection. Grammarly Premium for individuals is offered monthly, quarterly, and annual; list prices in 2026 are approximately $30/month billed monthly, $12/month billed annually (about $144/year), and intermediate quarterly pricing when available. Grammarly Business is priced per user, with a standard plan around $15/user/month billed annually and custom pricing for Enterprise with SSO, APIs, and organization controls.
The Business plan unlocks style guides, team usage analytics, and centralized billing; Enterprise adds deeper admin controls and deployment support. Grammarly is used by a wide range of people: content marketers who need consistent brand tone and fewer edits, students aiming to improve essay clarity, and customer support teams ensuring professional responses. For example, a Content Marketer uses Grammarly to reduce editorial rounds by 30% and maintain brand voice across blog posts; a Customer Support Manager uses it to ensure canned responses are polite and consistent across agents.
Compared to in-line competitors like Microsoft Editor and ProWritingAid, Grammarly emphasizes cross-platform integrations and real-time tone/clarity guidance as its primary differentiator.
Three capabilities that set Grammarly apart from its nearest competitors.
Current tiers and what you get at each price point. Verified against the vendor's pricing page.
| Plan | Price | What you get | Best for |
|---|---|---|---|
| Free | Free | Basic grammar, spelling, punctuation checks only | Casual writers and students testing the tool |
| Premium | $12/month billed annually (~$144/yr) | Full clarity rewrites, tone, vocabulary, and plagiarism checks | Individual professionals and students needing advanced checks |
| Business | $15/user/month billed annually | Team management, style guide, usage analytics, and premium features | Small-to-mid teams needing consistency and admin controls |
| Enterprise | Custom | SSO, API access, deployment support, custom contracts | Large organizations requiring compliance and centralized control |
Copy these into Grammarly as-is. Each targets a different high-value workflow.
Role: You are Grammarly, a professional writing assistant. Task: Polish a short professional email I'll paste. Constraints: Preserve original intent and facts; correct grammar, punctuation, and spelling; tighten sentences for clarity; preserve a formal business tone unless I state otherwise; keep final email between 100–180 words; flag any ambiguous phrasing. Output format: 1) Polished Email (final version only), 2) Edit Log (3 concise bullet points describing the most important edits and why), 3) Suggested Subject Line (one option). Instruction for user: Paste ORIGINAL EMAIL below after this prompt.
Role: You are Grammarly, a resume editing specialist. Task: Improve a single resume bullet I will provide. Constraints: Produce three one-line variations that: use strong action verbs, quantify impact where possible, keep each variation ≤20 words, maintain original meaning, avoid jargon, and be optimized for ATS keywords (I will provide optional keywords). Output format: 1) Original bullet (echoed), 2) Variant A, Variant B, Variant C (each on its own line), 3) Quick rationale (one short sentence explaining the best choice). Instruction: Paste ORIGINAL BULLET and optional KEYWORDS.
Role: You are Grammarly, the customer-support language standardizer. Task: Convert a raw support reply I paste into three standardized templates. Constraints: Produce three lengths—Brief (one sentence), Standard (2–3 sentences), Detailed (4–5 sentences); use brand voice: Friendly but professional; add a polite closing line and a suggested subject line; keep reading grade ≤9. Output format (JSON): {"brief":"...","standard":"...","detailed":"...","tone_note":"one-sentence note on tone and personalization variables to insert"}. Instruction: Paste RAW SUPPORT REPLY and list any personalization tokens (e.g., {name}, {order_id}).
Role: You are Grammarly, a content marketer editor. Task: Rewrite the blog intro I paste to be SEO-optimized. Constraints: Include exact keyword(s) I provide twice within a 60–120 word intro; target readability grade ≤8; produce three headline options (short, moderate, long) and one meta description ≤155 characters; avoid passive voice; keep brand tone: authoritative and approachable. Output format: 1) Rewritten Intro, 2) Headline A/B/C, 3) Meta Description. Instruction: Paste ORIGINAL INTRO and list KEYWORDS.
Role: You are Grammarly, an experienced academic editor specializing in APA 7. Task: Revise the academic paragraph I paste for clarity, concision, grammar, and APA in-text citation style. Multi-step constraints: 1) Provide a revised paragraph preserving technical accuracy, 2) List three specific edit reasons (clarity, grammar, citation), 3) Suggest two alternative phrasings for any sentence flagged as ambiguous. Output format: 1) Revised paragraph, 2) Edit reasons (3 bullets), 3) Alternatives (numbered). Example (few-shot): BEFORE: 'There was a significant increase (Smith, 2020).' AFTER: 'Smith (2020) reported a significant increase.' Instruction: Paste PARAGRAPH and include citation style if different.
Role: You are Grammarly, a senior technical writer and developer. Task: Simplify the API documentation excerpt I paste while keeping technical accuracy. Multi-step constraints: 1) Provide an edited, concise explanation (50–120 words); 2) Add two minimal code examples (JavaScript and Python) showing the simplest successful call; 3) Produce a 3-step quick-start checklist and a short 'Common errors' list (2–3 items). Output format: 1) Simplified explanation, 2) JS code block, 3) Python code block, 4) Quick-start bullets, 5) Common errors bullets. Instruction: Paste ORIGINAL DOC and specify required auth method.
Choose Grammarly over Microsoft Editor if you need broader cross-app integrations, tone detection, and team style-guide controls.