Grammarly
by Grammarly
The world's most trusted AI writing assistant for grammar, clarity, and style improvement
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About Grammarly
Grammarly is the most widely used AI writing tool, trusted by over 30 million people daily. It checks grammar, spelling, punctuation, style, tone, and clarity in real-time across all your writing apps. The premium version includes plagiarism detection, advanced style suggestions, and an AI writing assistant that can generate and rewrite content. Grammarly works across browsers, Microsoft Office, Google Docs, and desktop apps.
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Sector Domination
Where Grammarly is most widely adopted across industries.
Our Verdict
Grammarly is a top-tier tool that excels in a few key areas. Based on our testing and user data, it performs best for the following roles:
Perfect fit
Professional Writing
Great fit
Academic Writing
Good fit
Features
Pricing Freemium
Premium
- Advanced grammar checks
- Style suggestions
- Tone detection
- Plagiarism detection
Business
- Everything in Premium
- Team features
- Brand tone
- Analytics
Pros & Cons
Pros
- Works everywhere (all writing apps)
- Most accurate grammar checker
- Excellent tone detection
- Trusted by millions
- Solid free tier
Cons
- Premium is expensive
- Can over-suggest changes
- GrammarlyGO is less capable than dedicated AI writers
Practical Demonstrations
Real example outputs from Grammarly across different use cases.
Prompt
“Write a compelling intro for a blog about "10 ways AI is changing marketing in 2026"”
Grammarly Response
Marketing in 2026 looks nothing like it did five years ago. Artificial intelligence has quietly transformed every touchpoint — from the moment a prospect first sees an ad to the second they complete a purchase. If you're not leveraging AI yet, you're not just behind the curve; you're operating with one hand tied behind your back. Here's what the data — and the most successful brands — are telling us...
Prompt
“Rewrite this in a professional tone: "hey our product is super awesome and you should totally buy it!!"”
Grammarly Response
We're pleased to introduce a solution designed to address your core business challenges. Our product delivers measurable results — helping teams like yours improve efficiency, reduce costs, and achieve their goals with confidence. We invite you to explore how we can support your objectives.
Prompt
“What are the top 3 trends in AI for 2026 based on recent reports?”
Grammarly Response
Based on industry research from 2026: 1. **Agentic AI** — AI systems that can autonomously plan and execute multi-step tasks are becoming mainstream, with adoption up 340% YoY. 2. **Multimodal models** — Tools that seamlessly combine text, image, audio, and video understanding are replacing single-modality systems. 3. **On-device AI** — Privacy-first AI running locally on devices (phones, laptops) without cloud dependency is gaining significant enterprise traction.
Prompt
“Write a 3-sentence product tagline for an AI scheduling tool called "FlowTime"”
Grammarly Response
"Work smarter, not harder — FlowTime learns your rhythm and builds the perfect schedule around you. Stop fighting your calendar and start flowing through your day. AI-powered scheduling that adapts to you, not the other way around."
User Reviews
32,000 total reviews4.6
out of 5
Alex M.
Product Designer
Genuinely the most useful AI tool I've used. Saves me hours every week. The quality is consistently impressive.
Priya K.
Software Engineer
Game-changer for my workflow. I was skeptical at first but after a week I couldn't imagine working without it.
Jordan T.
Marketing Manager
Excellent tool overall. My team uses it daily. A few rough edges but the core functionality is outstanding.
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Use Cases
Integrations
Quick Info
- Developer
- Grammarly
- Starting At
- Free plan available
- Rating
- 4.6 / 5
- Reviews
- 32,000
- Pricing
- Freemium
- Added
- July 1, 2009
- Updated
- February 10, 2026