Grammarly vs Quillbot

A side-by-side comparison of Grammarly and Quillbot to help you decide which tool is the better fit for your needs in 2026.

FeatureGrammarlyQuillbot
Rating4.5/54/5
PricingFree / $12/mo PremiumFree / $10/mo Premium
CategoryAI WritingAI Writing
Features5 listed5 listed
Grammarly logo

Grammarly

★★★★½ 4.5/5AI Writing

AI writing assistant for grammar, clarity, and tone detection. Works everywhere you write.

Pricing

Free / $12/mo Premium

Key Features

  • Real-time grammar and spelling correction across browsers and apps
  • Tone detection and adjustment suggestions
  • Plagiarism checker with billions of web pages scanned
  • Brand style guide enforcement for teams
  • AI-powered full sentence rewrites and clarity improvements

Pros

  • +Works seamlessly across almost every writing platform
  • +Free tier is genuinely useful for basic grammar checks
  • +Excellent browser extension and desktop app integration
  • +Detailed explanations for every suggestion

Cons

  • Premium pricing adds up for individual users
  • Can be overly aggressive with suggestions on creative writing
  • Plagiarism checker only available on Premium and Business plans
Quillbot logo

Quillbot

★★★★ 4/5AI Writing

AI paraphrasing and writing tool. Reword content in multiple styles with built-in summarizer and translator.

Pricing

Free / $10/mo Premium

Key Features

  • AI paraphrasing with 7 different rewriting modes
  • Built-in grammar checker and writing suggestions
  • Summarizer for condensing long articles and papers
  • AI-powered translator supporting 45+ languages
  • Citation generator for academic papers in multiple formats

Pros

  • +Excellent paraphrasing quality across multiple tones
  • +Free tier includes core paraphrasing features
  • +Great for non-native English speakers improving fluency
  • +Chrome extension works directly in Google Docs and email

Cons

  • Free version has character limits per paraphrase
  • Less comprehensive writing assistant compared to Grammarly
  • Summarizer and translator features are basic on free plan

The Verdict

Grammarly edges ahead with a 4.5/5 rating compared to Quillbot's 4/5. However, the best choice depends on your specific needs and budget.