Last updated 08-15-2026
Category:
Reviews:
Join thousands of AI enthusiasts in the World of AI!
QuillBot
QuillBot bundles paraphrasing, grammar checking, plagiarism detection, and AI humanization in one writing workspace. You can paste or upload text, run the Paraphraser across unlimited modes on Premium, and switch between Docs, Designs, and browser extensions without leaving the flow.
Grammarly-style assistants focus on corrections in a single editor. QuillBot spreads the stack across Paraphraser, Summarizer, AI Detector, Citation Generator, ChatPDF, and presentation tools, with a free tier that caps paraphrasing at 125 words. Premium at $8.33 per month billed annually removes those caps and unlocks full plagiarism and detector access.
Students, content creators, and professionals use QuillBot when they need polished drafts fast. The site reports over 35 million writers worldwide and positions Premium as the only AI subscription you need for writing, design, and file tasks.
Free tier paraphrases up to 125 words in 2 modes with basic grammar fixes
Premium at $8.33 per month billed annually unlocks unlimited paraphrase modes
Suite includes Paraphraser, Grammar Checker, Plagiarism Checker, and AI Detector
Humanizer free tier allows 125 words with 6 uses per day
ChatPDF, presentation creator, and image generator live in the same workspace
Browser extensions for Chrome, Edge, Word, and Google Docs
Team plan adds usage metrics, user management, and centralized billing
Wide tool suite beyond paraphrasing, including plagiarism, citations, and PDF tools.
Browser extensions bring QuillBot into Docs, Word, and Edge.
Annual Premium at $8.33 per month is cheaper than many standalone grammar subscriptions.
Free plan limits paraphrasing to 125 words and six daily humanizer uses.
Team pricing requires contacting sales rather than self-serve checkout.
Limits may vary across platforms per QuillBot pricing footnotes.
Is QuillBot free?
QuillBot offers a free plan at $0 per month with paraphrasing up to 125 words, two paraphrase modes, basic grammar fixes, and limited AI Detector access. Premium unlocks unlimited modes and full plagiarism checking.
How much is QuillBot Premium?
QuillBot Premium costs $8.33 USD per month when billed annually, which QuillBot advertises as 58 percent off compared to monthly billing. Premium includes unlimited paraphrasing, full humanizer access, and plagiarism prevention.
What tools are included in QuillBot?
QuillBot includes Paraphraser, Grammar Checker, Plagiarism Checker, AI Detector, AI Humanizer, Summarizer, Citation Generator, ChatPDF, image tools, and presentation creation in one subscription.
Does QuillBot detect AI writing?
Yes. QuillBot AI Detector identifies AI-written text, and Premium includes full detector access. QuillBot also offers an AI Image Detector for generated visuals on the platform.
Does QuillBot work in Google Docs?
QuillBot provides browser extensions and apps so you can paraphrase and check grammar inside Chrome, Edge, Word, and Google Docs without copying text back to the website.
Who uses QuillBot?
QuillBot reports over 35 million writers worldwide, including students, teachers, content creators, and professionals who need faster paraphrasing, grammar fixes, and originality checks.