AI writing tools have made it difficult to distinguish human and AI-written content. Fortunately, the best AI content detectors like Originality, Winston, and Content at Scale can accurately detect AI-generated content, paraphrased content, and more. My evaluation of these tools was based on accuracy, speed, pricing, and plagiarism detection.
I’ve been a website owner for seven years and have used my experience to discover some of the best tools for detecting AI content. Stick around till the end to learn more about how these tools work as well.
The best AI content detector tools include Winston, Originality, and Copyleaks. Winston has the highest AI detection accuracy, Originality supports the widest range of language models, and Copyleaks is the best API-driven AI content tool.
Best AI Detectors
| Tools | Claimed Accuracy | Free Trial | Models Available | Link |
| Winston | 99.98% | Lifetime Free Basic Plan | ChatGPT, GPT-4, Bard. | Winston |
| Originality | 99% | No | Chat GPT, GPT-4, GPT-3.5, Bard, Llama 2, Claude 2, and even Baidu’s Ernie. | |
| Copyleaks | 99.1% | No | ChatGPT-4, Bard, Jasper, and others. | Copyleaks |
| Content at Scale | 98.3% | No | ChatGPT, GPT-4, Bard, Claude, Gemini, and others. | Content at Scale |
| Writer AI Detector | 46.7% | Lifetime Free Plan | GPT-4, GPT-3, & Chatgpt. | Writer AI Detector |
1) Winston.ai
Winston is the best AI content detector with 99.6% accuracy ensuring detection of all forms of AI driven content including ChatGPT, Bard, GPT4, etc.
Winston is among the best AI-detection tools as it scans content from pictures, handwriting, and documents for AI detection. It uses advanced AI content tools for proper plagiarism detection in your content. This Large Language model (LLM) detector can detect the content generated with ChatGPT, GPT-4, Bard, and many other LLMs.
This AI detector tool allows you to generate shareable PDF reports so that you don’t need to re-run the tests with all the relevant information about your content. The reports can also be exported, downloaded, or printed with minimal effort. It is a secure platform as it uses advanced encryption techniques to ensure the utmost protection of user data.
Features:
- Team Members: Large companies can invite team members for multi-user collaborations and parallel AI detection.
- Browser Extension: The native browser extension for Google Chrome is ideal for quickly detecting content on any website.
- Readability Score: It provides a readability score that helps you make your content more understandable for non-native English speakers.
- Statistics: The robust reports with usage statistics help you better understand your resource consumption behavior and optimize plans for your needs.
- Customer Support: They provide responsive live chat support to provide guidance and address all your issues.
| Pros | Cons |
| It is available in languages like English, Spanish, French, German, and Portuguese. | No plagiarism detector with the free version. |
| Compatible with multiple file types and content formats. | |
| AI prediction map provides sentence-by-sentence assessment. |
Pricing:
Some of the main pricing plans offered by Winston are:
| Plan | Cost (Monthly) | Words |
| Free | $0 | 2,000 |
| Essential | $12 | 80,000 |
| Advanced | $19 | 200,000 |
2) Originality.ai
Originality.ai is best for complete content creation with quality control tool and generating accurate results within a single scan of the URL.
Originality.ai is one of the best AI Content Detector tools in 2024. It provides an easy-to-use fact-checking tool, an AI plagiarism checker, and a readability score checker. Its readability checker provides the ideal scores to create better content. This tool can scan your entire website and help you understand the risk of the site being affected by future AI updates from search engines.
Its AI content tools provide a complete toolset to avoid poor AI-generated content. This tool is best for website owners, content marketers, writers, publishers, and copy editors to publish with integrity. It offers API access for integrating AI detection capabilities into your existing software stack.
Features:
- Accurate AI detection: This AI content tool provides 99% accuracy in the content section using GPT-4, 83% on ChatGPT content (GPT-4 powered), with an impressive false positives rate of ~2%.
- Fact Checking Aid: Fact Checking Aid reduces the chance of publishing factually incorrect information by utilizing the latest information available to provide accurate and up-to-date factual assessments.
- Multilanguage AI Detection: The Platform supports 15 languages, some of which are Russian, Spanish, Turkish, Dutch, Traditional Chinese, French, Japanese, Persian, Greek, Polish, Vietnamese, Portuguese, etc.
- Model Compatibility: The System is compatible with Large Language Models (LLMs), including Chat GPT, GPT-4, GPT-3.5, Bard, Llama 2, Claude 2, and even Baidu’s Ernie.
| Pros | Cons |
| Add, remove, and manage a team on the platform. | No free trial or lifetime free basic plan is provided. |
| Robust readability stats to better analyze your content. | |
| The Chrome Extension adds convenience to scan and keep track of the data. |
Pricing:
The Flexible Pricing offered by the platform is:
| Plan | Cost | Credits |
| Pay-as-you-go | $30 | 3000 |
| Basic Plan | $14.95 | 2000 |
-1 Credit Scans 100 Words for Plagiarism and AI Checking.
-1 Credit Scans 10 Words for Fact-Checking.
-Additional Credits $0.01/credit.
3) Copyleaks.com
Copyleaks.com is best AI content detector for evaluating content on a sentence by basis. This tool also offers API integeration for automated checking.
Copyleaks is an AI-powered tool that can identify potential plagiarism, multiple forms of paraphrasing, copyright infringement, image-based text plagiarism, manipulated or hidden characters, and more. The AI Content Detector by Copyleaks offers a variety of tools like plagiarism detector, code leaks, grammar checker API, generative API governance, and AI grader.
This #AIContentDetector tool has a cloud-based system architecture and uses strong 256-bit encryption with an SSL connection. It transfers data using HTTPS to ensure safety and security. The free Chrome extension can find text from ChatGPT-4, Bard, Jasper, and others.
Features:
- Licensing and Copyright Infringement: Detect if code is restricted to avoid copyright infringement with licensing detail alerts and searches across the most popular code repositories, including Stack Overflow, GitHub, and more.
- Detection at the Language Level: Each scan reads the code as individual tokens based on the unique coding language. It supports TypeScript, JavaScript, Python, C, C++, C#, Ruby, Java, and PHP.
- LMS integration: Agency owners and educators can integrate Copyleaks within their website or Learning Management System (LMS) via API.
- Enterprise: Larger organizations can get customized enterprise plans to suit their unique needs and use cases.
| Pros | Cons |
| Detection in 100+ languages, including German, Spanish, French, Italian, and Portuguese. | Varying detection accuracy, even for the same content. |
| Having a self-reported accuracy of 99.1% and a 0.2% false positive rate. | |
| 24-hour seamless customer support. |
Pricing:
The Annual and monthly subscription is mentioned below:
| Plans | Cost (monthly subscription) | Annual subscription(per month) |
| AI + Plagiarism Detection | $16.99 | $14.17 |
| Plagiarism Detector | $10.99 | $9.17 |
| AI Content Detector | $9.99 | $8.33 |
One can also book a demo, and it provides free features for students.
4) Content at Scale
Content at scale, one of the perfect tool for writers, marketing executive and large site publishers. This tool is among the great humanlike AI content producer.
Content at Scale is an AI detector tool that produces plagiarism-free content, is fully optimized for SEO, and can pass AI detection. This tool can detect content generated by ChatGPT, GPT-4, Bard, Claude, Gemini, and other LLMs. The tool has a self-reported accuracy of 98.3%.
You can use this #AIContentDetection tool can generate a full blog post with just one keyword without writing the whole prompt. It rates all the content between Completely AI, Hard To Tell, and Completely Human, giving you a clear answer about the nature of any given piece of content. The straightforward, ad-free design is ideal for performing scans at scale.
Features:
- Generative AI: With hyper-trained chatbot assistant AIMEE, using prompts, it can be used as an AI Content Detector and Remover for creating human-like content easily.
- Rank Well: The RankWell suite of tools leverages genius AI intelligence to ensure the content is optimized and ranks well.
- Bulk Undetectable Rewrites: If you have lots of pre-existing AI content, you can use it to execute large-scale content revision to enhance and diversify the content inconspicuously.
| Pros | Cons |
| Unlimited AI-generated Image detection. | Doesn’t provide a score for AI detection, only labels content as pass or fail. |
| You can detect and analyze content using web links. | |
| Create content that can bypass AI detection. |
Pricing: The tool is available at $49/month.
Free Trial: Lifetime Free Basic Plan
5) Writer.com
Writer.com is a generative AI platform one of the best tools for the needs of companies and teams. It is a great platform for long-form and short-form marketing content.
Writer.com is an enterprise AI platform empowering businesses to maximize creativity and productivity. It is one of the best platforms for AI content writing and detecting up to 1,500 characters of AI content in each scan. This is one of the best AI Content Detectors and Remover that helps maintain consistent use of language and tone across all the content, making it sound human.
This AI detection tool supports multiple languages for diversity. It uses generative AI to help users create, analyze, and govern content across various formats, including documents, emails, code, and marketing materials. You can utilize the API for seamless integration into your software stack.
- Readability: Provides readability stats such as grade level, reading time, word count, and sentence length.
- Terminology: Builds a robust terms list based on approved terms and product taxonomy so publishers can access them quickly and provide a free grammar check.
- Privacy and transparency: Users’ data stays private and is never shared or used for model training. It provides complete auditable code, data, and model weights.
- Enforces brand consistency: It helps you consistently use language and tone across all your content.
- Feedback on writing style: Writer.com offers feedback on your writing style, helping you improve clarity, conciseness, and overall readability.
| Pros | Cons |
| Detect content directly using URL. | Has a maximum limit of 1500 characters. |
| Completely ad-free design. | |
| Chrome integration makes it easier to use in the office and for project purposes. |
Pricing: Lifetime Free Basic Plan for AI Detection
6) Zero GPT
ZeroGPT is one of the best user-friendly and free interface with high accuracy useful for students, educators, writers and the person who wants to check content orignality.
ZeroGPT is one of the great tools for AI detection with deep analysis technology. This tool identifies AI-generated content from Chat GPT, GPT 3, GPT 4, Bard, and LLaMa models. The Platform offers a variety of tools like an AI detector, text summarize, AI paraphrase, word counter, Zerogpt 4&5, Citation generator, and many more. You can detect up to 15000 characters for free.
This AI Content Detector for ChatGPT has a self-reported accuracy of 98%. It detects AI text output in all the available languages. It also offers products like a music generator to generate music using text, and Pomonow, a tool for time management and productivity. Unreal Person to generate unreal persons and images of characters that don’t exist in real life, and many more.
Features:
- Highlighted Sentences: Every sentence written by AI is highlighted, with a gauge showing the percentage of AI inside the text.
- Generated Report: Automatically generate .pdf reports for every detection, which can also be used as proof of AI-free plagiarism
- Advanced AI Chatbot: Zerogpt 4&5 claims to have engaging conversations with AI that feel like you are talking to a human.
- Grammar and Spell Checker: Free grammar and spell check to detect mistakes and enhance your writing.
| Pros | Cons |
| Provide probabilities and great statistical analysis for your AI detections. | Even though Zerogpt claims high accuracy, it generates false positives or negatives. |
| You can run batched inference over several files. | |
| Simple and easy-to-use interface. |
Pricing:
This one one of the best AI content detectors with various pricing plans such as:
| Plans | Batch Files | Cost (per month) | Annual |
| Pro | 50 files | $7.49 | $89.88 |
| Plus | 75 files | $14.99 | $179.88 |
Free Trial: Lifetime Free Basic Plan
7) Sapling
Sapling AI Content Detector is one of the powerful tools that can help you identify text that has been generated by a large language model (LLM) like ChatGPT or GPT-3. This detector is also used to check the text for plagiarism and identify any potential copyright violations. The tool analyzes and highlights individual sentences that may be AI-generated due to low measures of perplexity.
This AI detector tool is available as a free web service, as well as a JavaScript library that can be integrated into the applications. It claims to catch more than 97% of AI-generated texts while keeping false positives below 3%.
Features:
- Scalable: The detector is scalable and can analyze text from various sources, including websites, social media, and email.
- Shareable Certificate: This tool provides a sharable certificate that displays the percentage of fake content.
- Protecting copyright: The detector can be used to identify text that may be copyrighted and prevent its misuse.
- Respond to more customers: Empower team members to respond more quickly and manage higher inbound volumes instead of providing brittle, decision tree-based chatbots.
- Snippets: You can quickly search through your response bank and use macros for better response and communication.
- Customer Support: I connected with their customer service with their Email and Contact Form. Their service was satisfactory and resolved all my issues.
| Pros | Cons |
| Easy to use and requires no technical expertise. | The tool currently only supports the English language for content detection. |
| Free Chrome extension to detect content anywhere on the web. | |
| Addons for Google Docs, MS Word, and MS Outlook. |
Pricing:
The Platform is free to use up to certain feature limits, along with a subscription for full potential unlock:
| Plans | Cost (Per Month) | Suggested |
| Pro | $25 | for individuals |
| Enterprise | need to contact the services. | for teams |
| API | metered | for developers |
For API, there is a separate usage plan.
How do AI content detectors work?
Some of the best AI content detectors use advanced computer algorithms to analyze and understand different types of content, i.e., text and images. The algorithms are designed to compare the content with a large human- and AI-generated content database.
These algorithms probably search for similarities, patterns, repetitiveness, lack of semantic meaning, complexity, etc. AI content detectors use smart algorithms and continuous learning to identify plagiarism, inappropriate material, or other specific characteristics, ensuring the quality and integrity of online content.
FAQs
The Verdict
The AI content detectors are the easiest way to maintain content integrity effortlessly. They are best for safeguarding against plagiarism and ensuring authenticity in the digital realm. Here are some of the best AI Content Detection Tools for your needs:
| Best For | AI Content Detector |
| Highest Claimed Accuracy | Winston |
| Free AI Detection | Content At Scale |
| Language Models | Originality |
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