Grammarly vs ChatGPT Writer

Side-by-side comparison · Updated April 2026

 GrammarlyGrammarlyChatGPT WriterChatGPT Writer
DescriptionGrammarly is an AI-powered writing assistant designed to enhance writing by offering suggestions for grammar, style, tone, and clarity. Trusted globally by over 70,000 teams and 30 million individuals, it integrates seamlessly with platforms like Slack, Outlook, Notion, and Zendesk. Grammarly ensures data privacy and security, not selling or sharing user data. Organizations witness substantial ROI through productivity boosts, saving costs, and reducing editing hours.ChatGPT Writer is your personal AI assistant designed to streamline your writing experience across various platforms. Whether you need help with writing emails, fixing grammar, improving writing, or translating text, ChatGPT Writer offers advanced AI features to assist you. It integrates seamlessly with Gmail and supports a wide range of browsers, ensuring that you can easily access its services anytime. It also emphasizes privacy and security with features like data encryption and no third-party sharing. Ideal for individual users, small businesses, and enterprises, ChatGPT Writer offers different plans to cater to your specific needs, including a comprehensive free plan and more advanced paid options.
CategoryAI AssistantAI Assistant
RatingNo reviewsNo reviews
PricingN/AFreemium
Starting PriceN/AFree
Plans
  • Elite Plan$39/mo
  • Elite Plan$349/yr
  • Pro Plan$16/mo
  • Pro Plan$160/yr
  • Free PlanFree
Use Cases
  • Email writers
  • Professional teams
  • Privacy-focused users
  • Organizations
  • Busy Professionals
  • Students
  • Small Business Owners
  • Non-native English Speakers
Tags
AI writing assistantgrammar checkerstyle guidetone detectorclarity improvement
AI writing assistantGrammar correctionEmail supportTranslationBrowser integration
Features
AI-powered writing assistant
Grammar, style, tone, and clarity suggestions
Integration with Slack, Outlook, Notion, and Zendesk
Data privacy and security prioritization
Available on Windows, Mac, iOS, Android, and web browsers
Significant ROI for enterprises
Personalized writing suggestions
Support for style guide adherence
Trusted by over 70,000 teams and 30 million users
Testimonials from professionals highlighting productivity improvements
Email and message writing
Grammar correction
Content improvement
Text translation
Advanced Gmail integration
Multiple launch options
Browser compatibility
Data encryption and privacy
Free and paid plans
Priority support for premium users
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