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Top Rated AI Writing Assistant Software with Plagiarism Detection in 2026

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Verified reviewer profile picture

All user reviews are verified by in-house moderators and provider data by our software research team.  Learn more

Last updated: March 2026

Plagiarism detection ensures the originality and integrity of content, checks for similarities with existing work, and helps users avoid intellectual property issues. It is essential for maintaining content quality and credibility. Our reviewers in AI writing assistant software rated this feature as important.

3 Best AI Writing Assistant Software with Plagiarism Detection

  • ProWritingAid - Highest rated for plagiarism detection
  • Grammarly Business
  • Jasper

See other top AI Writing Assistant products with plagiarism detection

How we picked the 3 top rated products

We chose the high-performing solutions on this list based on verified user ratings on our site. Depending on available data, qualifying products either had to be among the most user-reviewed or the most searched-for products in the ai writing assistant software category. They also needed to have sufficient reviews about plagiarism detection, have a minimum user rating of 3 out of 5 for that feature, and show evidence of U.S. market presence. We then added a distinction for the product with the highest rating for plagiarism detection based on our proprietary ratings and reviews. Sponsorship or client status has no influence on the selection of these products, but it may impact the order in which products appear.

Details for the 3 best products

ProWritingAid logo
4.7
(497)
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User insights about the plagiarism detection feature

Reviewers appreciate ProWritingAid's plagiarism detection capabilities, particularly for academic writing and editing others' work. They find it valuable for ensuring originality and protecting intellectual property. Users report that it provides peace of mind and helps avoid accidental plagiarism, especially when using AI tools or quotes. However, some users mention that the feature is not available in Word for Mac and others have not received warnings about plagiarism, indicating inconsistent performance.
“Essential for academic writing to eliminate the need for other vendors. Unfortunately this feature is not visible or made available in Word for Mac.”
Verified reviewer profile picture

Simon M.

Senior Marketing Manager

“PWA was ahead of all the AI models in detecting plagiarism. It is a great tool for writers who value the work of others and protecting my work.”
JB

Judy B.

Book to MoneyMaker Coach

AI Writing Assistant key features coverage

ProWritingAid offers 4 out of the 6 key features for AI Writing Assistant software identified by reviewers:

Automated Text Generation
Spell Check4.8
Grammar Check4.6
Content Ideas
Natural Language Processing4.5
Text Editing4.5

Pros and cons based on 497 verified reviews

72% of users rated ProWritingAid 5 out of 5 stars, while 1% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 497 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Enhanced writing skills

Versatile writing enhancement

Seamless software integration

Cons:

Noticeable performance slowdown

Issues with sentence and word management

See pros and cons details

Pricing

Starting price:$20 flat rate/per month|Free version:Available|Free trial:Available

Prices may vary depending on the number of users and features.

Grammarly Business logo
4.7
(7.2K)
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User insights about the plagiarism detection feature

Reviewers appreciate Grammarly Business's plagiarism detection for its ability to identify copied content and ensure originality. They find it useful for academic work, professional writing, and preventing intellectual property issues. Users highlight the convenience of having this capability integrated into the platform, avoiding the need for separate tools. However, some users report inconsistent performance and prefer using other programs for more reliable checks. Overall, it helps users avoid plagiarism and maintain the integrity of their work.
“All browsers most especially Google frown at plagiarism. This feature of grammarly help me check content written by freelancers to be sure it it plagiarism free before posting.”
AO

Abdulrasaq O.

Free lancer

“One of the most important things that made me use Grammarly is that it detects plagiarism and makes my text unique and has no problems at all.”
kk

karem k.

marketer

AI Writing Assistant key features coverage

Grammarly Business offers 5 out of the 6 key features for AI Writing Assistant software identified by reviewers:

Automated Text Generation
Spell Check4.9
Grammar Check4.8
Content Ideas --
Natural Language Processing4.4
Text Editing4.7

Pros and cons based on 7,200 verified reviews

76% of users rated Grammarly Business 5 out of 5 stars, while 0% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 7,200 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Enhancing professionalism

Boosting communication quality

Improving writing quality

Refining writing tone

Polishing email communication

Cons:

High subscription cost

Premium features cost

Inaccurate suggestions

Editing interface issues

Problematic word corrections

See pros and cons details

Pricing

Starting price:$12 per user/per month|Free version:Available|Free trial:Available

Prices may vary depending on the number of users and features.

Jasper logo
4.8
(1.8K)
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User insights about the plagiarism detection feature

Users find Jasper's plagiarism detection feature highly valuable for ensuring content originality and preventing plagiarism. They appreciate the thorough and accurate checks, which provide peace of mind and save time by eliminating the need for manual checks. Reviewers highlight the integration of this capability within the platform, making it convenient and efficient. They also mention that Jasper's detection is reliable and helps maintain the integrity of their work, especially when using AI-generated content.
“Essential for our work: It is so intuitive to have this built right into the platform, compared to having to work cross-platforms and pay two-three subscriptions on order to get one job done. Jasper.ai's plagiarism checker is set up great; should any issues flag, it not only directs you to the plagiarism source, but also highlights the respective areas which makes it so easy to adjudicate what one needs to handle, and in what manner.”
SR

Steven R.

CEO

“i love the fact that jasper checks everything for plagiarism, it makes things so much easier when I don't have to manually do it myself and i know that jaspers check was done thoroughly and accurately”
VB

Victoria B.

owner/operator

AI Writing Assistant key features coverage

Jasper offers 4 out of the 6 key features for AI Writing Assistant software identified by reviewers:

Automated Text Generation4.7
Spell Check
Grammar Check
Content Ideas --
Natural Language Processing4.6
Text Editing4.6

Pros and cons based on 1,852 verified reviews

82% of users rated Jasper 5 out of 5 stars, while 1% gave it 1 or 2 stars. To determine these pros and cons insights we analyzed 1,852 reviews and identified the topics where users expressed positive and negative sentiment.

Pros:

Effective team collaboration

Significant time savings

Intuitive and user-friendly

Versatile templates

Efficient social media content

Cons:

Repetitive content issues

Annoying credit system

Restrictive word limits

Inconsistent word generation

High costs and frustrations

See pros and cons details

Pricing

Starting price:$29 usage based/per month|Free version:Not available|Free trial:Available

Prices may vary depending on the number of users and features.

Other Top Rated AI Writing Assistant Software with Plagiarism Detection in 2026

Grammarly Business logo

Proofreader, plagiarism checker & tone detection solution

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Grammarly Business helps enterprises generate grammatically correct content across email, web pages, social media posts, academic papers & more. AI technology and natural language processing help users improve content readability, word choice, and writing style via real-time suggestions.

Read more about Grammarly Business

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Writesonic logo
Category Leaders

Write anything, publish anywhere.

learn more
Writesonic is an AI-powered writing assistant with a mission to empower everyone in the world to write anything and publish anywhere. It's like Canva for writing, with tools that simplify the process of creating, editing, and publishing articles, blog posts, ads, landing pages, and more.

Read more about Writesonic

Users also considered
Jasper logo
Category Leaders

A-enabled writing assistant for writing customizable content

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Jasper is an artificial intelligence (AI)-based writing assistant designed to help businesses create content for social media websites, blogs, websites, and other channels. Teams can create folders to organize information for clients and projects.

Read more about Jasper

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Surfer logo
Category Leaders

Cloud-based SEO management & content optimization software

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Crack the SEO code with Surfer. Our accessible tools and data insights empower agencies, teams & marketers to automate tasks, drive traffic, simplify content, and achieve predictable growth. Stop second-guessing - Surfer simplifies SEO.

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Scalenut logo
Category Leaders

AI that powers your entire content lifecycle.

learn more
Scalenut is an all-in-one GEO platform to plan, create, audit, and optimize content while tracking AI-driven visibility in AI search.

Read more about Scalenut

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ProWritingAid logo
Category Leaders

Grammar checker, manuscript editor, & writing trainer

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ProWritingAid is a web-based grammar checking, manuscript editing, and personal writing solution designed to help fiction/non-fiction writers, bloggers, students, and content writers improve style, eliminate errors, visualize sentence variations, and more within written content.

Read more about ProWritingAid

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Simplified logo
Category Leaders

Create, collaborate, and scale all your content creation in

learn more
Simplified helps you design everything, scale your brand, and collaborate with your team like never before. Create stunning designs, videos, and write copy using our ai copywriter tool. Then, get started with our free forever plan.

Read more about Simplified

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Copyleaks logo

Ensuring AI governance and compliance.

learn more
We’re a leading AI text analysis platform dedicated to empowering businesses and educational institutions as they navigate the ever-evolving landscape of genAI through responsible AI innovation, balancing technological advancement with integrity, transparency, and ethics.

Read more about Copyleaks

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Copy.ai logo

Go-to-Market AI Platform

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Copy.ai is the first Go-to-Market AI Platform that leverages AI to streamline the productivity of GTM strategies. It provides Workflows and features that allow businesses to codify and automate complex processes, ensuring cohesive operations across sales, marketing, and customer success teams'.

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Tugan.ai logo

AI writing assistant

learn more
Tugan.ai is an AI writing tool that helps businesses transform content from YouTube videos, articles, or websites into original. The platform enables managers to generate content resonating with the target audience to engage and convert website visitors.

Read more about Tugan.ai

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NeuronWriter logo

Use semantic recommendations to boost your SEO!

learn more
NeuronWriter is an AI-powered tool for writing and optimizing content for SEO. With a user-friendly interface and advanced content editor, it is designed to help users quickly write and optimize high-quality SEO-friendly content so they have a better chance of ranking in search engines.

Read more about NeuronWriter

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TechOctave logo

AI writing assistant software

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TechOctave is an AI-powered content writing platform that helps businesses create optimized and unique content for websites, blogs, and social media channels. The platform enables managers to research, write, and optimize blog posts, ensuring that the content is unique, engaging, and optimized for search engines.

Read more about TechOctave

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Brain Pod AI logo

The only UNLIMITED whitelabel generative AI platform!

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At Brain Pod AI, we provide a comprehensive suite of AI-powered tools that are designed to elevate your business, regardless of industry or technical expertise. Brain Pod AI is the only unlimited, whitelabel generative AI platform that simultaneously creates text, images, and audio.

Read more about Brain Pod AI

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Rytr logo

Cloud-based AI Writing Assistant for writers and editors

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Cloud-based AI writing assistant platform that helps freelancers, writers, businesses, and marketers automate customer engagement by creating high-quality content in just a few seconds.

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Mark logo

Meet Mark, the leading platform for On-Brand content

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Mark AI: Elevate your brand with AI that crafts expert content in your unique Brand Voice. Sophisticated yet simple, we turn AI complexity into seamless customer experiences.

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Bramework logo

Write blogs 5X faster with Bramework, AI writing assistant.

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Write blog posts 5X faster with Bramework AI writing assistant for professional bloggers and marketing agencies. From keyword research to generating titles, blog outlines, and quality AI writing, Bramework has you covered so you can save time and write more.

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Outwrite logo

Proofreading software

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The AI-based writing assistant is more than just a grammar checker, it makes sentences clear and compelling. Outwrite currently supports English, French, and Spanish.

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WRITER logo

Enterprise AI agent platform

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The end-to-end platform for building, activating, and supervising AI agents in the enterprise.

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Upgrade your SEO and Marketing with AI.

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SEO Vendor offers innovative AI-powered tools that transform SEO and digital marketing strategies. With over 20 years of expertise, we provide cutting-edge solutions like SEO GPT, SEO GPT 2, and Better Keywords AI to streamline content creation, keyword research, and strategy development.

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Jauris logo

Cloud-based AI writing assistant

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Jauris is a cloud-based AI writing assistant that helps businesses of all sizes generate and post blog or articles and optimize content for search engines.

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Content at Scale logo

Cloud-based solution to generate and detect AI content

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Content at Scale is a cloud-based AI writing tool that helps businesses optimize and produce various types of content.

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1-Click AI Blog Article App logo

AI-enabled blog and article writing solution

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The 1-Click AI Blog Article App, developed by Moderniqs is an AI-enabled solution that lets users create SEO content for blogs and articles automatically, check plagiarism, track rank, and more.

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Multilings logo

Best AI and Neural based natural Content Writing tools

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Multilings is an AI-powered product that offers many tools like an article generator, short story creator, meta descriptions, product descriptions, product names, startup ideas, etc. It also has a language translation tool to translate one language to another in a very natural way.

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Writingo logo

Generate Content and PPT design within few minutes.

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Writingo is a cloud-based solution that helps users generate high-quality content. Writingo can easily handle content creation without requiring your time or effort.

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PerfectEssayWriterAI logo

AI-powered essay writing tools for students & professionals

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PerfectEssayWriter.AI is a writing tool that incorporates AI technology to simplify the essay writing process for students and professionals. It aims to assist users in crafting well-structured essays by overcoming challenges such as writer's block and extensive research.

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Key features for AI Writing Assistant software

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

  • Automated Text Generation: Reviewers appreciate it for quickly producing high-quality, coherent content, enhancing efficiency, and aiding in overcoming writer's block. 97% of reviewers rated this feature as important or highly important.
  • Spell Check: Users value it for ensuring error-free writing, maintaining professionalism, and quickly identifying and correcting spelling mistakes. 96% of reviewers rated this feature as important or highly important.
  • Grammar Check: Reviewers highlight its ability to enhance clarity and professionalism by identifying and correcting grammatical errors in real-time. 95% of reviewers rated this feature as important or highly important.
  • Content Ideas: Users find it helpful for sparking creativity and overcoming writer's block with diverse, relevant suggestions tailored to target audiences. 92% of reviewers rated this feature as important or highly important.
  • Natural Language Processing: Reviewers note its ability to understand context, improve communication, and provide tailored content suggestions across multiple languages. 92% of reviewers rated this feature as important or highly important.
  • Text Editing: Users appreciate it for refining content by improving clarity, correcting errors, and providing alternative word choices, making writing more polished and professional. 90% of reviewers rated this feature as important or highly important.