Grammarly vs QuillBot

A comprehensive comparison to help you choose the right AI tool in 2026.

Our Pick

Grammarly

Grammarly scores higher with a rating of 9/10

Feature Comparison

FeatureGrammarlyQuillBot
Rating9/108.5/10
Pricing Modelfreemiumfreemium
Starting Price$12/mo$9.95/mo
Free TrialYesYes
Founded20092017

Grammarly

The world's most popular AI-powered writing assistant for grammar, clarity, and tone.

Pros

  • + Industry-leading accuracy
  • + 30 million+ daily users
  • + Works across all platforms
  • + Excellent tone detection
  • + Strong plagiarism checker
  • + Business features for teams

Cons

  • - Premium is expensive
  • - Some suggestions feel excessive
  • - Privacy concerns for sensitive writing
  • - AI features still maturing

QuillBot

Leading AI paraphrasing and grammar checking tool used by millions of students and writers.

Pros

  • + 35+ million users worldwide
  • + Excellent paraphrasing quality
  • + Multiple rewriting modes
  • + Strong grammar correction
  • + Good free plan
  • + Chrome extension

Cons

  • - Not for content generation from scratch
  • - Premium needed for best features
  • - Can sound mechanical in some modes

Grammarly vs QuillBot: The Bottom Line

Both Grammarly and QuillBot are powerful AI tools, but they serve slightly different needs. Grammarly excels at industry-leading accuracy, while QuillBot stands out for 35+ million users worldwide.

Your choice should depend on your specific requirements, budget, and the features that matter most to your workflow.