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Grammarly vs QuillBot: Best AI Writing Assistant in 2026?

Quick verdict

Grammarly wins for daily grammar + tone across apps. QuillBot wins for paraphrasing, summarizing, and student use cases.

Grammarly
AI writing assistant for grammar, tone, and clarity.
8.7/10 · Freemium · starts $0
How we rank →
Pros
  • Industry standard
  • Works everywhere
  • GrammarlyGO included
Cons
  • Premium pricey
QuillBot
AI paraphraser, summarizer, and grammar checker.
8.2/10 · Freemium · starts $0
How we rank →
Pros
  • Multi-feature toolkit
  • Free tier
  • Citation generator
Cons
  • Free tier word limits
Our winner
Grammarly wins overall

Grammarly is still the gold standard for everyday writing in 2026 — it works everywhere you type and GrammarlyGO handles drafting. QuillBot is the smarter pick if your primary need is paraphrasing or essay rewriting.

Who should pick which

Pick Grammarly if…
  • Daily writing everywhere
  • Business email + reports
  • Tone + clarity feedback
  • Best browser + app integrations
Pick QuillBot if…
  • Paraphrasing essays
  • Summarizing long texts
  • Citation generator
  • Students on a budget
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Feature & pricing comparison

GrammarlyQuillBot
Best atGrammar + toneParaphrasing + summarizing
Free tierGrammar basics125-word paraphrase limit
Premium price$12/mo$10/mo
Browser ext.Yes (mature)Yes
AI draftingGrammarlyGOAI writing tools
Best forProfessionalsStudents

Pricing side by side

Grammarly pricing
Free
Grammar basics
$0
Premium
Style & tone · GrammarlyGO
$12/mo
QuillBot pricing
Free
125 words/paraphrase
$0
Premium
Unlimited words
$10/mo
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