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AI Writing · Head to head
QuillBot vs Grammarly - Best AI Writing Assistant in 2026?
QuillBot excels at paraphrasing and rewriting existing text, while Grammarly is the gold standard for grammar correction and writing clarity. Both are affordable, but they serve different writers.
Our verdict
GR
Winner
Grammarly
Some links are affiliate links — they never change our verdict.
Reader rating
★★★★★
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01 / Quick scorecard
QuillBot
Grammarly
02 / Feature comparison
| Feature | QuillBot | Grammarly |
|---|---|---|
| Primary purpose | ||
| Free plan | ||
| Starting price | ||
| Paraphrasing modes | ||
| Grammar checker | ||
| Browser extension | ||
| Plagiarism checker | ||
| Summarizer |
03 / Detailed breakdown
QuillBot
AI paraphrasing and rewriting tool for students and content creators.
+Best-in-class paraphrasing tool
+Free tier is genuinely useful
+Summariser saves time on long documents
+Citation generator is a huge time saver for students
Grammarly
AI writing assistant that checks grammar, clarity, and tone in real time.
+Works everywhere — browser extension covers Gmail, Docs, Slack
+Beginner friendly — no setup required
+Free tier catches most common errors
+Tone detector helps you sound professional
04 / Who should use which
QU
Choose QuillBot
Students, researchers, and writers who need to paraphrase content, avoid plagiarism, or rewrite drafts in a different style or tone.
GR
Choose Grammarly
Professionals, non-native English speakers, and anyone who wants to ensure their writing is grammatically correct and clearly communicated.
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★★★★★
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Ready to decide?
Our pick is Grammarly.
Disclosure: Some links on this page are affiliate links. We may earn a commission if you sign up — at no cost to you. This never influences our verdicts.