Jenni AI vs QuillBot

Jenni AI

• Graduate students and PhD candidates drafting cited papers
• Writers who want AI suggestions tied to their own sources
• Research groups co-authoring a manuscript in the browser

QuillBot

• Students and writers who need to reword or shorten existing text
• People who want paraphrasing, grammar and citation tools in one account
• Teams of 2 or more that want centralized billing

Jenni AI

• The Free plan allows 10 autocompletes a day, 10 library uploads and 5 AI Chat messages, and exports body content only.
• Monthly billing costs far more than annual: $30 against $12 a month for Plus, and $73 against $29 for Pro.
• Plus caps Reviews and workflow runs at 10 a month each; only Pro removes the limits.
• No desktop or mobile apps are listed. The web app is described as working on mobile and desktop devices.

QuillBot

• The free plan paraphrases at most 125 words at a time and offers only the Standard and Fluency modes.
• Free summaries are capped at 1,200 words; Premium raises the cap to 6,000.
• Plagiarism checking is a Premium feature and is limited to 25,000 words a month.
• The pricing page leads with annual billing at $8.33 a month; the iOS app lists monthly billing at $19.99.

Jenni AI

Source-grounded autocomplete

Suggests the next sentences as you write and can be limited to the papers in your own library. Free accounts get 10 suggestions a day.

Traceable citations

Links each AI-suggested sentence to the page and paragraph of the source PDF, and formats references in more than 10,000 styles, including APA 7th, Chicago and IEEE.

Library and paper search

Holds uploaded PDFs and collections imported from Zotero or Mendeley, and searches an index of more than 200 million papers from inside the editor.

AI Chat across the library

Answers questions about one paper or the whole library with cited replies, which can be filtered by publication year, impact factor and citation count.

Reviews

Checks each claim in a draft against its sources and flags problems such as unsupported or overstated claims, alongside proofreading suggestions.

Collaboration and export

Co-authors edit in real time with inline comments, viewer and commenter roles and version history. Documents export to .docx, LaTeX or HTML.

QuillBot

Paraphraser

Rewords text in built-in modes: Standard and Fluency on the free plan, 9 modes plus unlimited custom modes on Premium. It paraphrases in 23 languages.

Grammar Checker

Fixes basic grammar errors on the free plan and adds advanced writing suggestions and tone insights on Premium. Grammar correction covers 6 languages.

AI Detector and Humanizer

The AI Detector flags AI-generated content, and the Humanizer rewrites text so it reads more naturally. Free use of both is limited; Premium gives full access.

Summarizer and Translator

Summarizes up to 1,200 words on the free plan and 6,000 on Premium, which adds custom summaries. The Translator covers more than 40 languages.

Plagiarism and citation tools

Premium scans up to 25,000 words a month for accidental plagiarism, and the Citation Generator formats references in APA, MLA and Chicago styles.

Extensions and apps

Chrome, Edge and Safari extensions, a Word add-in, macOS and Windows apps, and iOS and Android keyboards and apps. Premium runs on up to 10 devices at a time.

Jenni AI

• Free$0

  10 AI autocompletes a day, 10 PDF uploads of up to 25 MB and 150 pages, 5 AI Chat messages, 3 Reviews and unlimited citations.

• Plus$12

  per month, billed annually; $30 billed monthly

  5,000 autocompletes, 500 AI edits, 500 AI Chat messages and 10 Reviews a month, unlimited PDF uploads, full document export and live chat support.

• Pro$29

  per month, billed annually; $73 billed monthly

  Unlimited autocomplete, AI edits, AI Chat, Reviews and workflow runs, PDFs of up to 1,000 pages and priority support.

• TeamsCustom

  Single invoicing, an admin dashboard for seats, a dedicated support channel and a lower price per seat for large teams. Arranged by demo.

QuillBot

• Free$0

  Paraphrase up to 125 words in 2 modes, fix basic grammar errors, summarize up to 1,200 words, and use the Humanizer and AI Detector with limits.

• Premium$8.33

  per month, billed annually

  Full paraphrasing in 9 modes plus custom modes, advanced grammar suggestions, 6,000-word summaries, the full AI Detector and plagiarism checks on 25,000 words a month.

• Team Plan$7.50

  per seat / month, billed every 12 months ($89.95), for 2-10 seats

  All Premium features plus writer-management dashboards and centralized billing. $6.66 a seat for 11-50 seats and $5.83 for 51 or more.

Jenni AI

• Annual discount

  Save 60% with annual billing

  The pricing page marks the Annual option as saving 60%: Plus is $12 a month instead of $30, and Pro $29 instead of $73.

• Other savings

  Volume discounts for teams

  The Teams page offers a reduced price per seat for large teams, with single invoicing and an admin dashboard. Pricing is arranged through a demo.

QuillBot

• Annual discount

  Annual billing marked as 58% off

  The pricing page labels annual billing 58% off the monthly rate, which brings Premium to $8.33 a month. In the iOS app the plans are $99.99 a year or $19.99 a month.

• Other savings

  Team seats cost 10% to 30% less

  Team plans are $7.50 a seat per month for 2-10 seats, $6.66 for 11-50 and $5.83 for 51 or more, billed every 12 months and labeled as 10%, 20% and 30% savings.