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The Best AI Detector Tools for Efficient Detection and Analysis

von Similartool.AI     Aktualisiert Dec 27, 2023

In today's digital era, the identification and analysis of AI-generated content have become increasingly essential for content marketers, SEO experts, and publishers. To address this need, several AI detector tools have emerged in the market. In this article, we will introduce and analyze the best AI detector tools available - ContentAtScale,, Copyleaks AI, Winston AI,,, Gptzero AI, and Crossplag. These tools employ advanced algorithms, machine learning, and natural language processing techniques to effectively identify AI-generated content and detect plagiarism. Let's take a closer look at each tool and discover their unique features and capabilities.

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. is a tool designed to humanize AI-generated content, making it less likely to be detected as AI-written by various detection tools. It aims to transform AI-generated text into a more natural, human-like style, thereby bypassing AI detectors. homepage image


  • $10/month for 10,000 words

  • $5/month (billed annually) for 10,000 words

  • Up to $209/month for 380,000 words


  • Humanization of AI-generated content

  • Reduction in AI detection likelihood

  • Compatibility with various AI writing models

  • Built-in analysis for AI detection probability


  • Effectively reduces AI detection

  • Useful for a variety of content types

  • Improves the originality of AI-generated content


  • May compromise the quality of content

  • Potential for grammatical errors

  • Content may lose natural flow and stylistic choices


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. 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


In conclusion, the best AI detector tools for efficient detection and analysis are ContentAtScale, Originality AI, Copyleaks AI, Winston AI,,, Gptzero AI, and Crossplag. These tools are specifically designed to detect AI-generated content and differentiate it from human-written content. They provide high accuracy in identifying advanced AI models and plagiarism, ensuring content integrity and promoting transparency in the adoption of AI writing tools. Whether you are a content marketer, SEO expert, publisher, or academic professional, these AI detector tools will assist you in maintaining the authenticity and quality of your work.