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Grammarly vs QuillBot

Side-by-side comparison of Grammarly and QuillBot: pricing, features, API access, and community ratings.

AI comparison summary
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Grammarly
Grammarly

AI writing assistant that catches grammar errors and improves clarity in real time.

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QuillBot
QuillBot

AI paraphrasing and writing enhancement — rewrites sentences while preserving meaning.

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Category
Writing & editing
Writing & editing
Pricing
Freemium
Freemium
Starting price
USD 12/mo
USD 10/mo
Free tier
Audience
Non-technical
All audiences
API available
Open source
Self-hostable
Model provider
Grammarly
QuillBot
Founded
2009
2017
Headquarters
San Francisco, US
Chicago, US
Key strengths
  • ·grammar + spelling
  • ·tone detection
  • ·plagiarism check
  • ·browser extension
  • ·Paraphrasing
  • ·Grammar checking
  • ·AI detection
  • ·Plagiarism checking
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