Grammarly AI writing assistant official logo — real-time grammar, tone, and clarity tool trusted by 40 million users worldwide

AI writing assistant for real-time grammar, clarity, tone, and style — works everywhere you write

Tested by Hamza Khaliq
Not yet rated
New & Growing
Released 2009
Visit Website

Gallery

5 items

1 of 5
Grammarly video thumbnail
VIDEO
Grammarly video thumbnail
VIDEO
Grammarly video thumbnail
VIDEO
Grammarly screenshot 4
4
Grammarly screenshot 5
5
Grammarly video thumbnail
VIDEO
Grammarly video thumbnail
VIDEO
Grammarly video thumbnail
VIDEO
Grammarly screenshot 4
4

About Grammarly

AICentral Editorial ReviewVerified Test
Evaluated by Hamza Khaliq · Updated for 2026
Test Verdict
4.8/ 5.0

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 & Plans

Economic ModelFreemium
Free Trial7-Day Free Trial
Credit Card RequiredNo (Cardless Signup)

Free plan ($0, basic grammar & spelling, 100 AI prompts/mo, no card required) — 7-Day Pro Free Trial (Payment method required) — Pro $12/mo (billed annually) or $30/mo monthly — Business $15/user/mo

Claim Verified Creator Badge

Are you the founder of Grammarly? Display this listing's verified badge on your website to show your customers that your product has been vetted and listed on AI Central Resources.

FEATURED ONAI Central Resources
HTML Embed Code
<a href="https://www.aicentralresources.com/tool/grammarly" target="_blank" rel="noopener">
  <img src="https://www.aicentralresources.com/badges/featured-badge-dark.svg" alt="Featured on AICentralResources" width="200" height="54" style="border: none;" />
</a>

* Place this HTML snippet in your website's footer, landing page, or press section. This creates a search-friendly backlink directly to your verification page.

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.

Similar AI Tools to Grammarly

View all alternatives of Grammarly
FreemiumNo Card
ChatGPT

ChatGPT

Engage in dynamic conversations, debug code, and generate creative content with advanced AI.

Not yet rated
FreemiumNo Card
Claude

Claude

Anthropic's AI assistant for chat, research, coding, writing, and analysis — with a uniquely human-like voice

Not yet rated
Freemium14-Day TrialNo Card
Hemingway Editor

Hemingway Editor

AI editor for bold, clear writing — readability scoring, grammar fixes, and AI sentence rewrites

Not yet rated
FreemiumNo Card
HyperWrite

HyperWrite

AI Writing Assistant for content generation, research, and more.

Not yet rated
FreemiumNo Card
ProWritingAid

ProWritingAid

Complete storyteller's toolkit with deep editing, story critique, plot analysis, and writer community

Not yet rated
FreemiumNo Card
QuillBot

QuillBot

The world's leading AI paraphrasing and fluency enhancement tool.

4.8
Head-to-Head Battle Cards

Compared with Grammarly

Direct head-to-head feature matrices, pricing breakdowns, and real-world performance benchmarks

All AI Writing Assistant Tools comparisons
LanguageTool vs Grammarly Comparison Battle Card - Features, Pricing & Review in AI Writing Assistant Tools
Direct head-to-head AI tool comparison between LanguageTool and Grammarly in AI Writing Assistant Tools featuring side-by-side feature matrix, pricing tiers, and benchmark verdict.
AI Writing Assistant ToolsCompare
DeepL Pro vs Grammarly Comparison Battle Card - Features, Pricing & Review in AI Writing Assistant Tools
Direct head-to-head AI tool comparison between DeepL Pro and Grammarly in AI Writing Assistant Tools featuring side-by-side feature matrix, pricing tiers, and benchmark verdict.
AI Writing Assistant ToolsCompare
Hemingway Editor vs Grammarly Comparison Battle Card - Features, Pricing & Review in AI Writing Assistant Tools
Direct head-to-head AI tool comparison between Hemingway Editor and Grammarly in AI Writing Assistant Tools featuring side-by-side feature matrix, pricing tiers, and benchmark verdict.
AI Writing Assistant ToolsCompare
Trinka AI vs Grammarly Comparison Battle Card - Features, Pricing & Review in AI Writing Assistant Tools
Direct head-to-head AI tool comparison between Trinka AI and Grammarly in AI Writing Assistant Tools featuring side-by-side feature matrix, pricing tiers, and benchmark verdict.
AI Writing Assistant ToolsCompare
QuillBot vs Grammarly Comparison Battle Card - Features, Pricing & Review in AI Writing Assistant Tools
Direct head-to-head AI tool comparison between QuillBot and Grammarly in AI Writing Assistant Tools featuring side-by-side feature matrix, pricing tiers, and benchmark verdict.
AI Writing Assistant ToolsCompare