Grammarly and ChatGPT both help improve your writing, but they serve different purposes. Grammarly is a specialized editing tool that catches grammar, spelling, and style issues in real time. ChatGPT is a general purpose AI that can write, rewrite, and brainstorm from scratch.
Choose Grammarly for real time writing corrections across all your apps, or choose ChatGPT if you need a versatile AI that can generate content from scratch.
| Feature | Grammarly | ChatGPT |
|---|---|---|
| Pricing | Free tier + $12/mo Premium | Free tier + $20/mo Plus |
| Ease of Use | Works everywhere via browser extension | Requires switching to ChatGPT interface |
| Integrations | Browser, desktop, mobile, all apps | Web, API, some app integrations |
| Best For | Editing, proofreading, tone checking | Writing from scratch, brainstorming |
| Learning Curve | Very low, automatic corrections | Low, conversation based |
| Free Plan | Yes, basic grammar and spelling | Yes, limited GPT 4 access |
| Automation Capability | Auto corrects as you type | Strong via API and integrations |
| Support | Help center, email, priority for Business | Help center, community forums |
| Unique Strength | Real time inline editing everywhere | Full content generation and rewriting |
Grammarly is the most popular writing assistant in the world, used by over 30 million people. Its browser extension works across every website and application, providing real time grammar, spelling, punctuation, and style corrections. Grammarly Premium adds tone detection, clarity improvements, and plagiarism checking. It is the ideal tool for polishing existing writing without leaving your workflow.
ChatGPT approaches writing differently by generating content from scratch or substantially rewriting what you provide. It can brainstorm ideas, create outlines, draft entire articles, and adapt its writing style to any audience. While it does not integrate as seamlessly into your writing workflow as Grammarly, it offers far more versatility for content creation and creative tasks.
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Take the Free QuizYes, they complement each other well. Use ChatGPT to generate drafts and brainstorm ideas, then use Grammarly to polish the output with real time corrections. Grammarly catches small errors that ChatGPT might miss and works inline across all your applications.
Grammarly is specifically trained for grammar, spelling, and style correction, making it more reliable for catching writing errors. ChatGPT can identify grammar issues when asked, but it is not as consistent or thorough as a dedicated editing tool like Grammarly.
Not entirely. ChatGPT cannot work inline across your browser and apps the way Grammarly does. You would need to copy and paste text into ChatGPT for review. For seamless, real time editing, Grammarly remains the better tool. For content creation and rewriting, ChatGPT is superior.
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Last updated: April 2026