QuillBot

QuillBot

FreeFreemiumPaid ★★★★☆ 4.0/5
QuillBot review banner

QuillBot Overview

This QuillBot review examines the paraphrasing-focused writing assistant in 2026. QuillBot has been around longer than the generative AI boom, and that shows in its identity: it is not a chatbot that writes from scratch, but a suite of tools for rewriting, summarizing, and polishing text you already have. For students, researchers, and professionals who rephrase more than they draft, it is still one of the most practical tools available.

What is QuillBot?

QuillBot is an AI writing assistant centered on its paraphraser. Paste in a sentence or paragraph, pick a mode — Standard, Fluency, Formal, Academic, Creative, and more — and it rewrites the text while preserving the meaning. Around that core sit a grammar checker, summarizer, citation generator with 1,000+ styles, translator, plagiarism checker, and an AI detector.

The free plan is genuinely usable for small tasks: paraphrasing up to 125 words at a time in two modes, plus basic grammar checking and summarizing. Premium removes the word cap, unlocks all paraphrasing modes, and adds the plagiarism checker with 25,000 words per month.

Pricing is straightforward. Premium costs $19.95 per month on monthly billing, around $13.31 per month on the semi-annual plan, or $99.95 per year (about $8.33 per month) on annual billing. There is also a Teams option for organizations.

How QuillBot Works

The paraphraser is the main event. You paste text, select one of 9+ modes, and QuillBot rewrites it — you can adjust a synonyms slider to control how aggressively it changes wording. The “Compare Modes” feature shows the same text rewritten in different tones side by side, which is genuinely useful when you need to match an academic or formal register.

The Co-Writer workspace combines research, note-taking, and writing in one editor, while the citation generator formats sources in APA, MLA, Chicago, and hundreds more styles. Browser extensions for Chrome and Word bring the paraphraser and grammar tools into Google Docs and other editors without switching tabs.

Where QuillBot shows its age is original generation: unlike ChatGPT or Claude, it cannot write an essay or article from a one-line prompt. It also has no real knowledge of your topic — it rearranges and polishes, which means the quality of the output depends entirely on the quality of what you feed it.

Who Should Use QuillBot?

QuillBot fits students and researchers paraphrasing sources, ESL writers improving fluency, and professionals who constantly rewrite reports, emails, and proposals. If your daily work is turning rough drafts into polished, properly-cited text, the annual Premium plan pays for itself quickly.

It is a poor fit for marketers who need original ad copy, bloggers who want full articles generated, and anyone working outside English — the paraphraser is English-only. Heavy plagiarism-check users should also note the 25,000-word monthly cap on Premium.

Our Verdict on QuillBot

QuillBot does one thing — rewriting — better than almost anyone, and wraps it in genuinely useful academic tools. The annual price of ~$8.33/month is fair for what you get, and the free tier is enough to prove the value before you pay.

The bottom line of this QuillBot review: buy it for paraphrasing and academic polish, not for content generation — and skip Premium if you only rewrite the occasional sentence.

For sentence-level rewriting inside your existing workflow, Wordtune offers a slicker inline experience. Browse more tools in our AI Writing & Copywriting category.

Key Features

  • Paraphraser with 9+ modes including Formal, Academic, and Creative
  • Synonyms slider to control rewriting aggressiveness
  • Grammar checker with contextual corrections
  • Summarizer for articles and documents
  • Citation generator with 1,000+ formatting styles
  • Plagiarism checker on Premium (25,000 words/month)
  • Co-Writer research and drafting workspace

QuillBot Pricing

Plan Price
Free $0
Premium Monthly $19.95/mo
Premium Semi-Annual $13.33/mo
Premium Annual $8.33/mo

Pricing checked on October 4, 2026 — always confirm on the official site.

QuillBot Pros & Cons

✓ Pros

  • Best-in-class paraphrasing with genuine tone control
  • Useful free tier for small rewriting tasks
  • Strong academic toolkit: citations, summarizer, plagiarism checker
  • Annual plan is cheaper than Grammarly with more features
  • Extensions work smoothly inside Google Docs and Word

✕ Cons

  • Free plan caps paraphrasing at 125 words, which is barely a paragraph
  • Plagiarism checker is locked behind Premium despite the academic focus
  • Does not generate original content from prompts like modern AI writers
  • Paraphrasing quality drops noticeably on highly technical text

QuillBot FAQs

How much does QuillBot cost in 2026?
Premium costs $19.95 per month on monthly billing, about $13.31 per month on the semi-annual plan ($79.95 total), or $99.95 per year on annual billing (about $8.33 per month). The free plan is $0 with a 125-word paraphrasing cap and two modes.
Is QuillBot free to use?
Yes, QuillBot has a permanent free plan that includes paraphrasing up to 125 words at a time in Standard and Fluency modes, plus basic grammar checking and summarizing. The plagiarism checker, unlimited words, and all paraphrasing modes require Premium.
Is QuillBot better than Grammarly?
They solve different problems. QuillBot is stronger at paraphrasing and academic tools like citations, while Grammarly is stronger at grammar correction and tone detection. Paraphrase-heavy work favors QuillBot; general writing correction favors Grammarly.
Does QuillBot's plagiarism checker work well?
The plagiarism checker is available on Premium with a 25,000-word monthly cap. It is solid for checking originality of student and professional work, but it is not on the free plan, which is a real limitation for budget-conscious students.
What are the best QuillBot alternatives?
Wordtune offers smoother inline rewriting, Grammarly covers grammar and tone more deeply, and ChatGPT Plus can paraphrase plus generate original content. QuillBot's edge is the combination of paraphrasing modes, citations, and plagiarism checking in one place.

Best QuillBot Alternatives

Yomu AI
Yomu AI

Yomu AI

★★★★☆

Yomu AI reviewed for 2026 — autocomplete drafting, citations in 700+ styles, and plagiarism checks in one academic workspace. Pro from $10/mo yearly.

FreePaid Visit →
Review of DeepL Write
Review of DeepL Write

Review of DeepL Write

★★★★☆

DeepL Write reviewed for 2026 — AI-powered editing, rephrasing, and style control. Honest features, pricing from $7.49/user/mo, and verdict.

FreePaid Visit →
BrandWell
BrandWell

BrandWell

★★★★☆

BrandWell (formerly Content at Scale) reviewed for 2026 — long-form AI SEO content, RankWell suite, and full growth platform. Honest pricing and verdict.

Free TrialPaid Visit →
Lex
Lex

Lex

★★★★☆

Lex reviewed for 2026: a minimalist AI writing app with inline AI help, version control, and collaboration. Free plan plus Lex Pro at $12/mo — honest verdict.

FreePaid Visit →