AI Tools 
QuillBot review
AI paraphraser, grammar checker, summarizer, AI detector and humanizer in one writing toolkit.
⚡ Quick verdict
QuillBot is a handy, affordable writing toolkit: the Paraphraser is still among the most flexible, and Premium bundles grammar suggestions, summaries, an AI detector, a humanizer and plagiarism checks for $8.33 a month billed annually. The free plan is fine for short rewrites. Use it to improve your own writing—and follow your school's or employer's rules on AI assistance.
Key takeaways
- Free: $0 with paraphrasing up to 100 words in 2 modes, basic grammar fixes, basic summaries and limited AI Detector and humanizer access.
- Premium: $8.33/month billed annually (USD), with unlimited paraphrasing modes, advanced grammar, full humanizer and AI Detector access, custom summaries and plagiarism prevention.
- Premium is also available monthly and quarterly; prices can vary by region and currency at checkout.
- Team Plan adds usage metrics, user management, centralized billing, data control and priority support.
- 10+ paraphrasing modes from Academic to Simple, plus custom modes on Premium.
At a glance
| Best for | Students, non-native English writers and professionals who rewrite and polish text |
|---|---|
| Pricing from (USD) | $8.33/mo billed annually (Premium) |
| Free plan | Yes — paraphrase up to 100 words in 2 modes, basic grammar fixes |
| Platforms | Web; Chrome extension; apps |
| Company | QuillBot (Learneo) |
| Category | Writing |
| Last checked | October 16, 2026 |
On this page
What QuillBot is
QuillBot is an AI writing toolkit from Learneo. It started as a paraphrasing tool—paste a sentence and get alternative phrasings in different styles—and has grown into a suite that includes a Grammar Checker, AI Detector, Plagiarism Checker, AI Humanizer, AI Chat, AI Image Generator, Translator, Summarizer and Citation Generator. It works on the web, through browser extensions such as QuillBot for Chrome, and in apps.
Key features
Paraphraser
10+ modes from Academic to Simple. Premium unlocks unlimited modes and lets you create your own—“sound like a CEO, pro scholar, or bestselling author.”
Grammar Checker
Basic fixes on Free; advanced recommendations on Premium.
AI Detector and Humanizer
Check whether text reads as AI-generated and rewrite it to sound more natural; full access on Premium.
Plagiarism Checker
Helps prevent unintentional plagiarism (Premium).
Summarizer, Translator and Citations
Basic or custom summaries, translation and citation generation.
Pricing breakdown
From QuillBot’s Premium page and Help Center, checked October 16, 2026.
| Plan | Price | Highlights |
|---|---|---|
| Free | $0 | 100-word paraphrasing, 2 modes, basic grammar, basic summaries, limited AI Detector |
| Premium | $8.33/mo billed annually | Unlimited modes, advanced grammar, full humanizer and AI Detector, custom summaries, plagiarism prevention |
| Team Plan | Contact / see page | Usage metrics, user management, centralized billing, data control, priority support |
Premium is available on monthly, quarterly and annual plans; the annual plan is the best value (the page showed “58% off” for annual). QuillBot notes prices may adjust by location and local currency at checkout, and usage limits apply.
Best use cases
- Students: rephrase notes and summarize readings (within academic rules).
- ESL writers: make sentences sound natural.
- Professionals: tighten emails and reports.
- Researchers: generate citations and summaries.
How to get started
- Open quillbot.com and sign up free.
- Paste text and try Standard and Simple modes.
- Run the Grammar Checker on your final draft.
- Install the Chrome extension for in-browser help.
- Upgrade to Premium for longer text and all modes.
Tips and tricks
- Paraphrase sentence by sentence to keep meaning.
- Try several modes to compare tone.
- Always reread output for accuracy.
- Cite your sources with the Citation Generator.
Example use:
Paste: “Our team is currently in the process of reviewing the proposal.” Choose Concise mode to get a shorter version like “Our team is reviewing the proposal.”
Pros and cons
👍 Pros
- Flexible paraphrasing modes
- Many tools in one subscription
- Low annual price
- Free plan for short tasks
- Browser extension
👎 Cons
- Free plan limited to 100 words
- Paraphrasing can change meaning; review output
- Regional pricing varies
- Usage limits apply and may vary by surface
Who should (and shouldn't) use QuillBot
✅ A good fit if you…
- Rephrase sentences for clarity or tone
- Polish writing as a non-native speaker
- Summarize and cite sources for papers
⛔ Look elsewhere if you…
- Need long-form AI drafting (consider Jasper or Writesonic)
- Need fiction help (consider Sudowrite)
- Want real-time grammar across all apps (consider Grammarly)
QuillBot alternatives
- Grammarly — AI writing assistant for grammar, clarity, tone and rewrites that works across your apps, now part of Superhuman. (from $12/member/mo billed annually ($30 monthly))
- Writesonic — Track and improve your brand's visibility in ChatGPT, Gemini, Google AI Overviews and more. (from $79/mo billed annually (Starter))
- Jasper — AI platform for marketing teams: on-brand content with Canvas, marketing agents, brand IQ and AI search visibility. (from $59/seat/mo billed yearly; $69 monthly (Pro))
- Sudowrite — AI writing partner for novelists: Story Bible, Write, Describe, Expand, Rewrite, Feedback and more. (from $10/mo billed annually (Hobby & Student))
- ChatGPT — OpenAI's AI assistant for chat, research, writing, coding, images, voice and agentic work. (from $8/mo (Go); Plus $20; Pro $100–$500)
FAQ
Is QuillBot free?
Yes. The free plan lets you paraphrase up to 100 words in 2 modes, fix basic grammar, generate basic summaries and use the AI Detector and humanizer with limits.
How much is QuillBot Premium?
QuillBot's Premium page showed $8.33 USD per month billed annually during our check. Monthly and quarterly options are available, and QuillBot says prices may adjust based on your location and currency.
What does Premium add?
Full paraphrasing access in unlimited modes, advanced grammar recommendations, full humanizing and AI Detector access, custom summaries and plagiarism prevention.
Does QuillBot have a team plan?
Yes. The Team Plan includes everything in Premium plus team usage metrics, a user management dashboard, centralized billing, data control and priority support.
How many paraphrasing modes are there?
QuillBot offers 10+ modes, from Academic to Simple, and Premium lets you create your own custom modes.
Is there a student discount?
QuillBot's Premium page links to plans for students; check the page for current student offers.
Sources
This is an editorial review based on research of official QuillBot pages and documentation, not hands-on benchmark testing. Prices are in USD and were checked on October 16, 2026; vendors change plans often, so confirm on the official pricing page before buying.
