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Side-by-side comparison

Grammarly vs QuillBot

Plans, free tiers and API access for Grammarly and QuillBot, from each vendor's own pages. Last checked Oct 5, 2026.

GrammarlyWritingQuillBotWriting

The short answer

Pricing and features

GrammarlyQuillBot
Starting price
$30/mo
$19.95/mo
Paid plans
  • Business$25/mo
  • Pro$30/mo
  • Premium$19.95/mo
Free plan
Free planFree plan with grammar, spelling and punctuation suggestions and 100 AI prompts a month
Free planFree plan: 100 words in the Paraphraser (Standard and Fluency modes) and 1,200 words in the Summarizer
API access
API availableAudit Logs API on Enterprise only; no public writing API listed
API availableEnterprise API available on request, billed separately
Best for
Professionals and students who want writing feedback inside their everyday apps.
Students and writers who paraphrase or polish text and want fewer usage limits.
Watch out for
Pro is $30 monthly or $12 a month billed annually; Business needs at least 3 seats. Plan names and prices vary by region.
The free plan is capped at 100 words in the Paraphraser. Premium is $19.95 monthly or $8.33 a month billed annually.
Category
Writing
Writing
Last checked
Oct 5, 2026
Oct 5, 2026

How to choose

Grammarly gives writing feedback inside the apps you already use, while QuillBot is centered on paraphrasing and summarizing. Grammarly Free covers grammar, spelling and punctuation suggestions plus 100 AI prompts a month. Grammarly Pro is 30 per month, or 12 per month billed annually, and Business is per seat at 25 per month, or 15 billed annually. QuillBot Free allows 100 words in the Paraphraser and 1,200 words in the Summarizer, though those limits were not fully confirmed. QuillBot Premium is 19.95 per month, or 8.33 per month billed annually. Grammarly lists no public writing API, only an Audit Logs API on Enterprise. QuillBot offers an Enterprise API on request, billed separately.

Reviewed Oct 5, 2026. Prices and plans can change, so confirm on the vendor's site.

Common questions

Which is cheaper, Grammarly or QuillBot?

QuillBot has the lower starting price ($19.95/mo versus $30/mo). Compare plans before choosing, since limits differ.

Is Grammarly free?

Free plan. Free plan with grammar, spelling and punctuation suggestions and 100 AI prompts a month

Is QuillBot free?

Free plan. Free plan: 100 words in the Paraphraser (Standard and Fluency modes) and 1,200 words in the Summarizer

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