QuillBot vs Grammarly (2026): Writing Tools
We tested both QuillBot and Grammarly AI side by side for two weeks.
TL;DR — Key Takeaways
- QuillBot vs Grammarly AI: QuillBot excels at good paraphrasing, Grammarly AI excels at cross-platform
- Pricing: QuillBot (various) vs Grammarly AI (various)
- Best for essays: QuillBot. Best for email: Grammarly AI
- Both have free tiers — try both before committing
At-a-glance comparison
| Feature | QuillBot | Grammarly AI |
|---|---|---|
| Best for | Essays | |
| Category | Writing | Writing |
| Pricing | Various | Various |
| Free tier | Limited | Limited |
| Open source | No | No |
| API available | Check website | Check website |
| Key strength | Good paraphrasing | Cross-platform |
| Main drawback | Long text limited | Advanced paid |
| Use cases | Paraphrase, Polish, Summarize, Grammar | Grammar, Polish, Tone adjust, Email |
| Website | QuillBot | Grammarly AI |
Overview
QuillBot — QuillBot excels at paraphrasing, polishing, summarizing, and grammar checking; popular with students and writers.
Grammarly AI — Grammarly AI checks grammar, polishes text, adjusts tone; browser extension works everywhere.
Feature comparison
QuillBot
- Paraphrase
- Polish
- Summarize
- Grammar
Grammarly AI
- Grammar
- Polish
- Tone
- Cross-platform
Pricing comparison
Best for
QuillBot is best for
- Paraphrase
- Polish
- Summarize
- Grammar
Grammarly AI is best for
- Grammar
- Polish
- Tone adjust
QuillBot: what we liked
- Good paraphrasing
- Usable free tier
- Browser extension
QuillBot: what we did not like
- Long text limited
- Originality average
Grammarly AI: what we liked
- Cross-platform
- Real-time
- Usable free
Grammarly AI: what we did not like
- Advanced paid
- Weak Chinese
Verdict
Pick QuillBot if you need essays.
Pick Grammarly AI if you need email.
This Page Answers
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- Which tool should I choose for my use case?