Grammarly

Freemium

AI writing assistance for clarity, tone, and correctness

Grammarly · Productivity Launched 2009 (full AI features 2022–2023)

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Quick Answer

Grammarly is ai writing assistance for clarity, tone, and correctness, made by Grammarly. It offers a free tier with paid upgrades. Key uses: Professional emails, Academic writing, Blog posts.

Last updated:

Users
50M+ daily active users (2024)
Revenue
$200M+ ARR (estimate)
Valuation
$13B (2021 funding round)
Employees
~900

What is Grammarly?

Grammarly uses AI to check grammar, spelling, punctuation, clarity, engagement, and delivery in real-time across browsers, apps, and documents.

How did Grammarly get started?

Founded 2009 in Kyiv, Ukraine by Oleksii Shevchenko and Max Lytvyn. Raised $200M at $13B valuation 2021 - one of largest in edtech/productivity. GrammarlyGO (AI generation) launched Apr 2023 based on GPT-4. Expanded from grammar checker to full writing assistant. Revenue largely from individual Premium subscriptions.

What's new in Grammarly in 2026?

GrammarlyGO generative AI (2023), context-aware tone rewriter, Knowledge Share for teams

How much does Grammarly cost?

Free

$0/mo

  • Grammar & spell check
  • Basic tone detection
  • 250 GrammarlyGO prompts/month
  • Works everywhere

Premium

$12/mo (annual)

  • Full grammar & style
  • Vocabulary enhancement
  • Plagiarism detection
  • 1,000 GrammarlyGO prompts
  • Tone rewriter

Business

$15/user/mo (annual)

  • Everything in Premium
  • Brand tone guidelines
  • Style guides
  • Team analytics
  • Priority support

Enterprise

Custom

  • SSO/SAML
  • Data security controls
  • Custom integrations
  • Dedicated CSM

What can you do with Grammarly?

  • Professional emails
  • Academic writing
  • Blog posts
  • Business documents

Pros

  • Works everywhere
  • Tone detection
  • Free tier useful

Cons

  • Premium required for best features
  • Can over-suggest

Specs

Underlying Models

  • Proprietary BERT-based grammar models
  • GPT-4.1 (GrammarlyGO generative features)
  • Grammarly proprietary writing models

Platforms

  • Chrome Extension
  • Firefox Extension
  • macOS App
  • Windows App
  • iOS
  • Android
  • MS Word Plugin
  • Google Docs

Integrations

  • Microsoft Word
  • Google Docs
  • Gmail
  • Outlook
  • LinkedIn
  • Slack
  • Salesforce

Ideal For

  • Professionals
  • Students
  • Non-native English speakers
  • Marketing teams

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What are the best alternatives to Grammarly?

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Frequently Asked Questions about Grammarly

How much does Grammarly cost?

Grammarly pricing: Free at $0/mo; Premium at $12/mo (annual); Business at $15/user/mo (annual); Enterprise at Custom.

Is Grammarly free?

Grammarly offers a free tier with limited usage. Paid plans unlock additional features.

What is Grammarly used for?

Grammarly is used for: Professional emails, Academic writing, Blog posts, Business documents.

What are the best alternatives to Grammarly?

Top alternatives to Grammarly include Notion AI.

What platforms does Grammarly support?

Grammarly is available on: Chrome Extension, Firefox Extension, macOS App, Windows App, iOS, Android, MS Word Plugin, Google Docs.