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Discover and Detect AI Technology with Advanced AI Detector Tools

By Similartool.AI     Updated Feb 4, 2024

In today's digital landscape, the proliferation of AI-generated content has made it increasingly challenging to distinguish between human and AI-created materials. As a result, the demand for advanced AI detection tools has surged. In this article, we will spotlight some of the top AI detector tools available, each offering unique features and functionalities for the detection of AI-generated content. These tools include ContentAtScale, Originality AI, Copyleaks, Winston AI, Undetectable AI, Sapling AI, GPTZero, Crossplag, and ZeroGPT. Each tool is designed with specific capabilities to cater to the growing need for detecting AI-generated content across various industries. Let's delve into the detailed JSON data of each tool to understand their individual strengths and applications.

1. ContentAtScale

ContentAtScale is an AI-powered tool designed for creating long-form content, including blog posts, with features for SEO optimization and plagiarism checks. It differentiates between human-generated content and that produced by sophisticated AI models.

ContentAtScale homepage image


  • Starter Plan: $500/month or $25/post, up to 20 posts per month

  • Scaling Plan: $1000/month or $20/post, up to 50 posts per month

  • Agency Plan: $1500/month or $15/post, up to 100 posts per month


  • Long Form Content Generation

  • SEO Optimization

  • Plagiarism Scans

  • API Integration

  • Customizable Content Briefs

  • WordPress Integration


  • Generates high-quality, long-form content

  • Includes SEO tools and plagiarism checks

  • User-friendly interface for content creation


  • Primarily suitable for long-form content, not short copy or ads

  • Still in early access/beta with some UI improvements needed

  • Requires manual editing and image/alt text additions

2. Originality.AI

Originality.AI is a digital tool designed for detecting AI-generated and plagiarized content. It is known for its high accuracy in identifying content created by advanced AI models like GPT-3, GPT-4, and ChatGPT. The tool is particularly relevant in the current digital era where distinguishing between human-written and AI-generated content is increasingly vital for content marketers, SEO experts, and publishers.

Originality.AI homepage image


  • Originality.AI offers a monthly subscription model priced at $14.95, which includes 3000 credits and full access to all platform features.

  • A Pay-As-You-Go model is also available, starting with a $30 one-time payment for 3000 credits, where 1 credit scans 100 words.


  • AI Content Detector for identifying AI-generated content.

  • Plagiarism Checker to ensure content originality.

  • Readability Checker for enhancing content quality.

  • Multilanguage Support across 15 languages, including English, Russian, Spanish, and Chinese.

  • Chrome Extension for monitoring content creation in real time.

  • API Integration for larger content publishers.

  • Bulk Site Scanning for comprehensive website content analysis.


  • High accuracy in detecting AI-generated content, including sophisticated models like GPT-4.

  • Supports a wide range of languages.

  • User-friendly interface with Chrome Extension.

  • Suitable for both individual and team use.


  • May produce higher false positive rates.

  • Limited effectiveness against non-GPT AI models.

  • Pricing may be a consideration for some users.

3. Copyleaks

Copyleaks is a powerful AI-based tool designed for detecting plagiarism and ensuring content integrity. It uses advanced algorithms to identify copied or paraphrased content, distinguishing between human-generated and AI-generated material.

Copyleaks homepage image


  • Copyleaks offers various pricing plans starting from $10.99 per month for 100 pages.


  • AI Content Detector

  • Plagiarism Detector

  • Multi-language support (100+ languages)

  • Browser extensions for on-page analysis

  • Integration with LMS platforms


  • Free unlimited AI detection

  • User-friendly interface

  • Multi-language support

  • Integration with various platforms


  • 50% accuracy in detecting ChatGPT content

  • Susceptible to false positives

  • Can be bypassed with minor text modifications

  • No advanced analysis for AI classification

4. Winston AI

Winston AI is a leading AI detection software with a powerful plagiarism checker. It is designed for writers to promote the transparent adoption of AI writing tools and AI content detectors, and is particularly effective in identifying content generated by ChatGPT, GPT-4, Bard, Bing chat, Claude, and other large language models.

Winston AI homepage image


  • Subscription-based model

  • Paid plans starting from $14.00 per month

  • Three-tier pricing structure with varying word credits, team management features, printable reports, priority support, and plagiarism detection

  • Approximate cost of $0.000175 per word on the $14 Essential plan


  • AI-generated text detection with high accuracy

  • Advanced plagiarism detection

  • Scoring system that breaks text into individual sentences and shows percentage of oddities

  • Ability to scan pictures and handwriting (OCR)

  • Capability to generate shareable PDF reports

  • Supports up to 200,000-word scans


  • High accuracy in detecting AI-generated content

  • Includes advanced plagiarism checking capabilities

  • Supports a variety of large language models

  • Simple and fast analysis process


  • Currently limited to English and French language support

  • Subscription-based model may not be suitable for all users

5. Undetectable.ai

Undetectable.ai is a unique AI tool designed to generate content that is undetectable by AI detectors, thereby assisting content creators in creating more human-like content. It helps in avoiding detection by AI content detectors, ensuring that the content at scale remains authentic and maintains human quality.

Undetectable.ai homepage image


  • Undetectable.ai offers various pricing plans, detailed on their pricing page. These plans are designed to cater to different levels of usage and requirements, ensuring affordable options for brand-aligned, humanized AI-generated content.


  • Undetectable.ai offers features like AI content detection, plagiarism checking, and integration with AI Detector APIs. It is designed to produce humanized AI-generated content that is difficult to detect by AI algorithms.


  • Effective in making AI-generated content undetectable.

  • Offers both free and premium options for different user needs.

  • Includes features like plagiarism checking and content authenticity verification.


  • Free detectors may have limitations in accuracy compared to premium versions.

  • Ethical considerations and potential misuse of AI detection tools need to be addressed.

6. Sapling.ai

Sapling is an AI-powered language model copilot optimized for customer-facing teams. It integrates with CRM and messaging platforms, offering real-time grammar and content suggestions to enhance communication quality in sales and support units.

Sapling.ai homepage image


  • FREE Plan: $0 per month

  • PRO Plan: $25 per month or $12 per month if billed annually

  • ENTERPRISE Plan: Custom pricing for teams with advanced features and support

  • API Plan: Metered plan for developers


  • Sapling Suggest: Real-time response suggestions

  • Autocomplete Everywhere: Deep learning-powered autocomplete

  • Enhanced Grammar and Language Quality: Detects 60% more language issues

  • Quality Scoring and Error Reports: Coaching and improvement metrics

  • Knowledge Distribution: Snippet library for team knowledge sharing

  • Conversational Data Insights: NLP for customer conversation insights

  • Omnichannel Support: Integration with various platforms and CRM systems

  • Enterprise Security: TLS and AES-256 encryption, PII redaction


  • Integrates with multiple third-party software like Salesforce and Slack

  • Offers over 40 integrations with various tools

  • Provides faster and better writing suggestions

  • Effective for a range of communication mediums like email and chat


  • No extension for Safari browser yet

  • Some limitations in technical and specialized content areas

7. GPTZero

GPTZero is a leading AI detection tool designed to determine if a document was authored by a large language model like ChatGPT. It operates on various levels including sentences, paragraphs, and documents, and has been used by over 2.5 million users globally across sectors like education, hiring, publishing, and legal.

GPTZero homepage image


  • Free version: Up to 5,000 characters per month

  • GPTZero Educator: $9.99/month with 50K character limit

  • GPTZero Pro: $19.99/month for 250,000 characters per month

  • Custom pricing available for large enterprises needing API access


  • AI detection for various models including ChatGPT, GPT-3, GPT-4, Bard

  • Text and file uploads for analysis

  • Premium education models for academic use

  • API for integration into systems

  • Chrome extension for real-time detection on web pages

  • Microsoft Word add-on for document analysis


  • Free version available

  • Easy to use for individuals and organizations

  • Detailed AI detection and transparency

  • Educational resources and tutorials provided


  • Imperfect detection accuracy

  • Slow processing of large text volumes

  • Lacks customization options

  • Potential privacy or security concerns

8. Crossplag

Crossplag is an advanced tool designed for detecting AI-generated content and plagiarism. It uses machine learning algorithms and natural language processing to analyze text and determine if it's written by AI or humans. The primary goal of Crossplag is to ensure the authenticity of work and uphold academic integrity.

Crossplag homepage image


  • Crossplag's AI Content Detector is free to use.

  • The plagiarism detection feature requires the use of purchased credits.


  • AI-generated content detection

  • Plagiarism checking

  • Supports over 100 languages

  • Confidence percentage indication

  • User-friendly interface


  • Free use of AI Content Detector

  • Supports a wide range of languages

  • Efficient and accurate detection of AI-generated content

  • User-friendly and easy to operate


  • Cannot scan URLs or domains

  • May show lower AI detection accuracy in some cases

  • Free users limited to 1,000 words

  • Still in development with potential for errors

9. ZeroGPT

ZeroGPT is an AI Detector designed to enhance various applications with advanced language understanding. Leveraging the power of cutting-edge technology, ZeroGPT enables precise detection and analysis, making it a valuable tool for diverse industries.

ZeroGPT homepage image


  • Flexible pricing plans tailored to your needs

  • Contact for enterprise pricing options


  • Advanced language understanding

  • Customizable solutions

  • Scalable for enterprise use

  • Seamless integration


  • Accurate language analysis

  • Customizable for specific needs

  • Scalable for enterprise use


  • May require training for optimal results

  • Pricing may vary based on customization

10. Contentdetector AI

Contentdetector.ai, an advanced AI Detector, offers free and accurate identification of AI-generated text. With its sophisticated algorithms, it provides users with a probability score indicating the likelihood of AI involvement in content creation. Embraced by over a million bloggers and academics, this tool stands out for its easy-to-use interface and unlimited word count functionality, resonating with human readers through natural language processing and idiomatic expressions.

Contentdetector AI homepage image


  • Free, offering unlimited checks and word count analysis without any restrictions.


  • AI-powered plagiarism detection and content analysis.

  • Word and character counting functionality for comprehensive content evaluation.

  • Real-time comparison for AI-generated content detection.

  • Extensive reporting with percentage-based results and source indication.


  • Free and easy to use with unlimited checks and no word limit.

  • Accurate detection of AI-generated content with probability scores.

  • Versatile tool that also offers word and character counting.


  • Relies on probability and is not 100% accurate, requiring user judgment.

  • Currently, does not detect traditional plagiarism but plans to include it soon.

11. WriteHuman

WriteHuman is recognized as the best AI detection remover, providing cutting-edge solutions in content generation and human-like writing. Harnessing advanced artificial intelligence, WriteHuman stands out for its exceptional capabilities in text creation, making it a powerful tool for various applications.

WriteHuman homepage image


  • WriteHuman offers a range of flexible pricing plans to suit different user needs. For detailed pricing information, please visit the official website at https://writehuman.ai/pricing.

  • Additional pricing details can be found on the website.


  • Advanced AI Content Generation

  • Human-like Writing Capabilities

  • Customization Options

  • Versatility for Various Use Cases


  • Exceptional AI-driven Content Quality

  • User-Friendly Interface

  • Versatile Applications

  • Customization Features


  • May Require Familiarity with AI Concepts for Advanced Customization

  • Subscription-based Pricing Model

12. Worldvice

Worldvice is an advanced AI tool that includes a unique AI Detector among its suite of features. It's designed to distinguish AI-generated content from human writing, offering protection against the potential pitfalls of AI-authored text. This capability is especially crucial in maintaining the integrity of web content and academic papers, ensuring they are free from AI-induced plagiarism. By leveraging sophisticated algorithms, Worldvice aims to keep pace with the rapidly evolving landscape of generative AI technology, providing a necessary layer of security in today's digital age.

Worldvice homepage image


  • Wordvice AI offers a range of plans, including a Basic plan for general users and a Premium plan for advanced features. For detailed pricing, it's best to consult the official Wordvice website.


  • AI Proofreader

  • AI Paraphraser

  • AI Summarizer

  • AI Translator

  • AI Plagiarism Checker

  • AI Detector


  • Wide range of tools for various writing needs

  • AI Detector for identifying AI-generated content

  • Supports over 100 languages for global accessibility

  • User-friendly interface with comprehensive features


  • Registration required for accessing services

  • Potential for false positives in AI detection

  • Premium features may require subscription

13. AI Undetect

AI Undetect is your go-to AI Detector, offering a unique blend of detection and humanization services for AI-generated content. It evaluates content with precision, and if it fails to pass AI detection, provides a 'Humanize' option for seamless rewriting. This ensures your content remains undetectable, embodying the essence of human creativity and thought.

AI Undetect homepage image


  • Basic Plan: Best for light users, 25 times/day AI content detection, 10,000 words/month rewriting, Support Turnitin AI detection, advanced anti-detection algorithms, 7x24h customer service support, Undetectable by all AI detectors.

  • Standard Plan: Best for most users, 50 times/day AI content detection, 25,000 words/month rewriting, Support Turnitin AI detection, advanced anti-detection algorithms, 7x24h customer service support, Undetectable by all AI detectors.

  • Pro Plan: Best for heavy users, Unlimited AI content detection, 50,000 words/month rewriting, Support Turnitin AI detection, advanced anti-detection algorithms, 7x24h customer service support, Undetectable by all AI detectors.


  • One-Time Use of All AI Detectors with Bypass AI Detection

  • Undetectable AI rewrite algorithms with AI Detection Remover

  • Integration of several leading AI detection interfaces

  • Exclusive anti-detection model trained on a 1B tokens corpus

  • Continuous optimization through reinforcement learning

  • Error-free rewritten content, superior to conventional paraphrasing tools


  • Offers a comprehensive suite of AI detection and humanization tools

  • Supports multiple languages and content types

  • User-friendly interface with no login or credit card required for initial use

  • Trusted by 300K+ users for enhancing content authenticity

  • Provides advanced anti-detection algorithms, ensuring content is undetectable by all AI detectors

  • Responsive 7x24h customer support


  • Subscription required for full access to features and higher word limits

  • Might be considered unnecessary for users with basic rewriting needs

  • Dependent on the evolving capabilities of AI detectors and may require frequent updates


In conclusion, the AI detector tools analyzed in this article offer valuable features for detecting AI-generated content, identifying plagiarism, and maintaining content authenticity. Originality.AI stands out for its high accuracy in distinguishing content created by advanced AI models, while Copyleaks and Crossplag use advanced algorithms and machine learning to ensure content integrity and academic authenticity. Additionally, Winston AI and GPTZero cater to writers and users across different sectors, providing effective plagiarism detection and analysis of AI-generated content. Moreover, Undetectable.ai is a unique tool that assists content creators in producing more human-like content that evades detection by AI detectors. Overall, these AI detector tools serve as essential assets for content marketers, writers, publishers, and various industries, ensuring the maintenance of content quality, integrity, and authenticity in the digital era.