An honest, in-depth comparison of Grammarly and Quillbot — covering features, pricing, real-world use cases, and which tool is the better choice for your situation in 2026.
The most widely used AI writing assistant with 40M+ daily users. Works inside Gmail, Docs, Slack, Word, and 500K+ apps via browser extension.
The most popular AI paraphrasing tool. Rewrites, summarises, and improves existing text across multiple modes — Standard, Formal, Academic, Creative, and more.
Grammarly and Quillbot are both leading tools in the AI writing assistant space, but they serve meaningfully different needs. Grammarly is built around professionals and teams who write across multiple apps and need consistent quality, while Quillbot focuses on students, academics, and esl writers improving or rephrasing existing text. Understanding those differences is the fastest way to figure out which one is right for you.
This comparison covers pricing, core features, strengths and weaknesses, and clear guidance on which tool to choose based on your specific situation.
| Tier | Grammarly | QuillBot |
|---|---|---|
| Intro | Free Basic grammar and spelling | Free 125-word limit, basic modes only |
| + | $12 / mo All AI features, 1,000 prompts/mo — $30 billed monthly | $9.95 / mo All modes, 6,000-word limit — $4.17/mo annually |
| Enterprise | $14.50 / user / mo Brand voice, team analytics, SSO | — |
Grammarly is the stronger choice when professionals and teams who write across multiple apps and need consistent quality. Its key advantages are works in virtually any app via browser extension, best-in-class grammar and clarity suggestions.
It is not the right fit if users needing long-form content generation — claude or chatgpt are better.
Quillbot is the stronger choice when students, academics, and esl writers improving or rephrasing existing text. Its key advantages are best paraphrasing tool at this price point, multiple rewriting modes for different contexts.
It is not the right fit if users needing original long-form content creation from scratch.
Is Grammarly better than Quillbot?
Neither tool is universally better. Grammarly is better for professionals and teams who write across multiple apps and need consistent quality. Quillbot is better for students, academics, and esl writers improving or rephrasing existing text.
Can I use both?
Yes — many users use both tools for different purposes. They are not mutually exclusive and often complement each other depending on the task.