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Grammarly

AI Writing Assistant

Grammarly supports real-time writing assistance in more than 20 languages and provides translation and rewriting capabilities across multiple languages. The platform works across tools such as Gmail, Google Docs, Microsoft Word, Outlook, Slack, Salesforce, PowerPoint, LinkedIn, Microsoft Teams, Google Sheets, Zendesk and Jira

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What is Grammarly?

Grammarly is an AI-powered writing and communication platform that helps people improve grammar, clarity, tone, style and overall communication. It works across many apps and websites, providing writing suggestions, sentence rewrites, tone adjustments, proofreading and generative AI assistance. Grammarly also includes AI agents designed for tasks such as proofreading, paraphrasing and evaluating how writing may be received by readers. Its Docs workspace provides an AI-powered writing environment for drafting, editing and refining content.

Grammarly supports real-time writing assistance in more than 20 languages and provides translation and rewriting capabilities across multiple languages. The platform works across tools such as Gmail, Google Docs, Microsoft Word, Outlook, Slack, Salesforce, PowerPoint, LinkedIn, Microsoft Teams, Google Sheets, Zendesk and Jira. Grammarly offers a Free plan, a Pro plan for individuals and teams, and Enterprise options for larger organizations. The company was founded in 2009 by Max Lytvyn, Alex Shevchenko and Dmytro Lider. Grammarly is now part of the Superhuman Suite and continues to focus on AI-powered communication and productivity.

What users say

Grammarly helps users improve grammar, clarity, tone and overall communication while adding AI-powered rewriting and writing assistance across the apps they already use.

Pros and cons

Pros
  • Grammar and spelling assistance
  • AI-powered rewriting
  • Tone suggestions
  • Proofreading
  • Paraphrasing
  • AI writing assistance
  • AI agents
  • Docs AI writing workspace
  • 20+ language writing support
  • Inline translation
  • Works across 1 million+ apps and websites
  • Browser extensions
  • Desktop and mobile support
  • Enterprise security certifications
Cons
  • Advanced features require a paid plan
  • AI generation has plan-based limits on Pro
  • Enterprise pricing is custom
  • Some advanced organizational controls are Enterprise-only
  • AI suggestions can still require human review
Our verdict

Grammarly combines grammar checking with AI-powered rewriting, proofreading, tone adjustment and broader communication assistance. Its current platform goes beyond traditional spell-checking with AI agents, Docs and multilingual writing support. The Free plan covers basic writing assistance, while Pro adds advanced rewriting and significantly more AI usage. Enterprise adds administrative, privacy and security controls for larger organizations.

Who is Grammarly for?

Students

Improve essays, assignments, grammar and clarity while writing.

  • academic writing
  • proofreading
  • enterprise communication
  • advanced team administration

Plan we would pick: Free

Blogger

Improve articles, rewrite paragraphs and maintain a consistent writing style.

  • blog writing
  • content editing
  • advanced enterprise workflows

Plan we would pick: Pro

Content Creator

Create and polish social posts, scripts, emails and other content.

  • content creation
  • rewriting
  • advanced software development

Plan we would pick: Pro

Marketer

Create polished marketing copy and maintain consistent brand communication.

  • marketing copy
  • brand voice
  • highly technical writing systems

Plan we would pick: Pro

Professional

Improve emails, reports, presentations and workplace communication.

  • business writing
  • email
  • large-scale administration

Plan we would pick: Pro

Business Team

Maintain consistent communication and approved brand language across teams.

  • team writing
  • brand consistency
  • personal-only writing

Plan we would pick: Pro

Enterprise

Deploy AI communication assistance with security, permissions and administrative controls.

  • enterprise communication
  • AI productivity
  • simple personal writing

Plan we would pick: Enterprise

Industry fit

MarketingCopywriting, campaign messaging, brand tone and editing are core use cases.
Strong fit
97
EducationWriting assistance, proofreading and citation support are useful for students and educators.
Strong fit
96
PublishingEditing, rewriting and clarity improvements fit publishing workflows.
Strong fit
95
Professional ServicesUseful for emails, reports, proposals and client communication.
Strong fit
95
SaaS & TechnologyHelps teams communicate across documentation, email and collaboration tools.
Strong fit
91
HealthcareEnterprise security capabilities exist, but organizations should review privacy and compliance requirements for their specific data.
Conditional
78
E-commerceUseful for product copy, emails, customer communication and marketing.
Strong fit
89

Key features

Grammar Checker

Detects grammar, spelling and punctuation issues while you write.

AI Rewriting

Rewrites full sentences and paragraphs to improve clarity and effectiveness.

Tone Detection

Helps users understand and adjust the tone of their writing.

Proofreader

Reviews writing for errors, clarity and structure.

Paraphraser

Reworks text while preserving the user's core ideas.

AI Writing

Generates and improves content using AI assistance.

AI Agents

Provides specialized AI assistance for proofreading, paraphrasing and reader feedback.

Grammarly Docs

AI-powered document editor for drafting, brainstorming and editing.

Plagiarism Detection

Helps identify potential matching text and supports originality workflows.

Citation Support

Provides citation-related writing assistance.

Multilingual Writing

Provides real-time writing support in more than 20 languages.

Translation

Provides inline translation and multilingual rewriting capabilities.

Brand Tone

Helps teams maintain consistent communication and brand voice.

Style Guides

Allows organizations to define writing and communication standards.

Snippets

Helps teams reuse approved language and frequently used content.

Grammarly pricing

Prices checked September 28, 2026

Free

$0 month

  • Grammar and spelling suggestions
  • Writing tone
  • 100 AI prompts
Create Account
Most popular

Pro

$12 member/month billed annually

  • Full-sentence rewrites
  • Tone adjustment
  • Brand tone
  • 2000 AI prompts
Get started

Enterprise

Custom custom

  • Proactive AI
  • Unlimited members
  • Dedicated support
  • Confidential mode
  • Granular permissions
  • DLP
  • Unlimited generative AI prompts
Contact Sales

Pricing calculator

Free $0 / seat, Pro $12 / seat from 5 seats.

Is Grammarly right for you?

Answer a few quick questions to see our pick.

1 What do you mainly need?
2 Who will use it?
3 Do you need AI generation?
4 Do you need brand consistency?
5 Do you need enterprise security controls?

How Grammarly compares

Grammarly combines traditional grammar and spelling assistance with AI-powered rewriting, tone adjustment, proofreading and specialized AI agents. Its major difference is how broadly it integrates into everyday writing workflows, allowing users to receive assistance across websites, documents, email, collaboration tools and other applications rather than working only inside a standalone editor.

CapabilityGrammarly quillbot prowritingaid languagetool
Capability Grammarly QuillBot ProWritingAid LanguageTool
Grammar checking Yes Yes Yes Yes
AI rewriting Yes Yes Yes Yes
Paraphrasing Yes Yes Yes Yes
Tone suggestions Yes Yes Yes Yes
Generative AI Yes Yes Yes Yes
AI agents Yes Limited Limited Limited
Plagiarism detection Yes Yes Yes Yes
Browser extension Yes Yes Yes Yes
Mobile support Yes Yes Yes Yes
Team / Enterprise features Yes Yes Yes Yes
Multilingual support 20+ languages Multiple Multiple Multiple

Integrations

12 integrations listed

  • Google Docs
  • Gmail
  • Microsoft Word
  • Microsoft Outlook
  • Slack
  • Salesforce
  • Microsoft PowerPoint
  • LinkedIn
  • Microsoft Teams
  • Google Sheets
  • Zendesk
  • Jira

Security, data & support

Security & compliance

  • SOC 2 Type IICertified
  • SOC 3Certified
  • ISO 27001:2022Certified
  • ISO 27017:2015Certified
  • ISO 27018:2019Certified
  • ISO 27701:2019Certified
  • ISO 42001:2023Certified
  • GDPRCompliant
  • HIPAACompliant
  • PCI DSSCompliant
  • SAML SSOAvailable
  • Two-step authenticationAvailable

Your data, in plain words

  • Grammarly analyzes text and usage information to provide writing suggestions and AI features.
  • Grammarly states that users own their content and that it does not sell or monetize user or team content.
  • Data is hosted on Amazon Web Services infrastructure in the US East region.
  • Data is encrypted in transit using TLS 1.2 and at rest using AES-256.
  • Enterprise customers can use additional encryption and administrative controls.

Read the privacy policy

Support

  • Help CenterAll usersSelf-service
  • Support RequestUsersPlan-dependent
  • Sales SupportEnterprisePlan-dependent
  • CommunityUsersCommunity-based

API & languages

  • Browser ExtensionsAvailable
  • Desktop ApplicationsAvailable
  • Mobile SDK / AppsAvailable
  • Enterprise IntegrationsAvailable
  • AI AgentsAvailable
  • APINot positioned as the primary consumer product
  • English
  • Spanish
  • French
  • German
  • Italian
  • Portuguese
  • Chinese
  • Japanese
  • Korean
  • Arabic
  • Hindi
  • Dutch
  • Polish
  • Russian
  • Turkish
  • Ukrainian
  • Indonesian
  • Malay
  • Romanian
  • Czech
  • Danish
  • Norwegian
  • Swedish
  • Finnish

Grammarly states that it provides high-quality real-time writing support in more than 20 languages. Exact availability varies by feature, and translation/rewrite capabilities may differ between languages.

Grammarly FAQs

What is Grammarly?

Grammarly is an AI-powered writing and communication platform that helps improve grammar, clarity, tone and overall writing.

Does Grammarly have a free plan?

Yes, Grammarly offers a Free plan at $0.

How much does Grammarly Pro cost?

Grammarly Pro currently costs $12/member/month when billed annually or $30/member/month when billed monthly.

Does Grammarly have AI features?

Yes, Grammarly provides AI writing assistance and specialized AI agents.

Does Grammarly rewrite sentences?

Yes, Pro users can rewrite full sentences and adjust their writing tone.

Does Grammarly check grammar?

Yes, grammar and spelling assistance are core Grammarly features.

Does Grammarly support multiple languages?

Yes, Grammarly provides real-time writing support in more than 20 languages.

Does Grammarly work with Google Docs?

Yes, Grammarly supports Google Docs.

Does Grammarly work with Microsoft Word?

Yes, Grammarly supports Microsoft Word.

Does Grammarly work with Gmail?

Yes, Grammarly works with Gmail.

Does Grammarly have a mobile app?

Yes, Grammarly provides mobile applications.

Does Grammarly have a browser extension?

Yes, Grammarly provides browser extensions including Chrome and Edge.

Does Grammarly have plagiarism detection?

Yes, plagiarism detection is available as part of Grammarly's writing features.

Does Grammarly have an API?

Grammarly provides developer and integration capabilities, but its main consumer product is delivered through apps, extensions and integrations.

What happened to Grammarly Business?

Grammarly Pro replaces the Grammarly Business plan.

Alternatives to Grammarly

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