Artificial Intelligence these days is playing a key role in digital content creation, but originality and plagiarism prevention are crucial. In 2022, Statista reported that a third of internet traffic came from bots, even before AI tools like ChatGPT became widespread.
As a team of experienced editor and writer, we know how important it is to keep content original and valuable. Google is now avoiding most AI-generated content because it often lacks originality and quality. Yet, human-written content from sites like Reddit, Medium, and Quora still ranks well. To help with this, we’ve reviewed over 20 AI Detectors to find the best ones to spot AI-generated content.
Curious to see which tools made the cut? Keep reading to find out!
Best AI Checkers Tools That Are Free
The market for AI Detection tools was valued at $1.2 billion in 2022 and is expected to reach $2.4 billion by 2027, according to Grand View Research.
What is an AI Detector
Artificial Intelligence Detector is a tool that primarily analyzes or scans your content to check if that has been written by a human or generated by an AI content creator tool. These Artificial Intelligence detector tools use various advanced algorithms for and AI technologies such as AI programming languages (natural language processing and machine learning) to detect patterns in your content against millions of other online sources that differentiate between human-written and robotic content.
There are numerous best AI content detector tools in the market, and with the growing amount of generative AI tools like ChatGPT, they will become even more significant. These free AI content detector tool can be utilized to check the originality of the content you want to produce.
In the following section, we’ll look at the best and free Artificial Intelligence detectors.
Our Way of Filtering out these best Artificial Intelligence Checker tools is based on the following:
- Testing the AI content detectors on a mixture of human and AI-generated content
- Testing on intentionally put incorrect factual information
- Testing on various niches
Lest look at each of these tools in-depth to help you identify the best one for you.
Content at Scale
Best For: businesses and content creators aiming to grasp content authenticity, with a distinctive scoring system for comprehensive analysis, catering to content teams managing substantial volumes and seeking AI-generated content insights.
Pricing: Free to Use for AI Detection
AI Content Detection: ChatGPT, Gemini, Claude, and various other AI models
Rated: 4.2/5
Link: https://contentatscale.ai/ai-content-detector/
Content At Scale is an advanced AI detector tool that can help you verify whether your content is human or AI-generated. The tool can detect content from ChatGPT, GPT-4, & Bard.
Content at Scale can check up to 25000 characters at one time, detecting AI content in a highly-accurate way. This best AI detectors employs Natural Language Processing and a trained AI model that detects patterns, allowing it to anticipate likely word selections and comprehend phrase structure and other factors contributing to greater AI likelihood. Content at scale AI detector is a comprehensive tool offering solutions that attempts to provide users with detailed insights about the authenticity of their material.
This AI writer detector tool provides a solution that aims to equip users with deep insights into the genuineness of their content. Its best feature is its availability or provision of the “Human Content Score,” which offers a careful content analysis. This tool breaks down a content in the sentence-by-sentence pattern, thus helping users identify sentences written with the AI tool by highlighting its AI detectability using various colors.
Contentatscale AI is the best AI content detection tools with a feature for offering AI content writing that specializes in creating long-form content with over 2,000 words. To get better insights on the performance, you can read the Content at Scale review.
Key Characteristics Include:
- Score for Individual Human Content
- A quick assessment of the likely source of the content Comprehensive insight into the logic behind the scoring
- Optimization, plagiarism, and AI detection tools built-in
Pros & Cons:
| Pros | Cons |
|---|---|
| Easy to use UI and UX | Occasionally gives false positives |
| Free AI tool | 25 000 characters limit per content scan. |
| 98% accuracy in detecting most types of generative AI content (including Google Bard and Bing Chat) |
Occasionally suffers from minor bugs
|
Originality AI
Best For: Content creators, marketers, and editors, offering real-time content originality checks ideal for fast-paced environments, ensuring uniqueness for brand reputation, SEO, and team efficiency.
Pricing: $0.01 per credit, per scan of 100 words
AI Content Detection: ChatGPT, GPT-4o, Gemini Pro, Claude 3, Llama 3 and Other Popular AI writing tools
Rated: 3/5
Link: https://originality.ai/ai-checker
The first name that comes to everyone’s mind when it comes to recognizing AI generated text detector is Originality.AI. Listed under best AI content detector tools, this tool is a pioneering technology that harnesses the power of AI in the field of AI content identification. It is regarded as one of the greatest AI-detecting tools available. It just takes 50 words or more and achieves 94%+ accuracy on GPT-4 content and 94.5% accuracy on paraphrased information. This best AI detection tools or ChatGPT detector is particularly developed to detect duplicate content, assess the uniqueness of the text presented, and deliver actionable recommendations to improve writing quality. It checks the originality of the content using machine learning and works around the sentence structure.
The most specific quality of this tool is that it can enter any website’s front end and connect its API using the Chrome extension and users can avail as a free AI detector.
Key Characteristics of Originality.AI:
- AI detection accuracy that is unrivaled in the industry
- Convenient Google Chrome add-on
- AI and human text API breakdown for large-scale text analysis
Pros & Cons of Originality.AI:
| Pros | Cons |
|---|---|
| High Accuracy Rate | Requires sign-up to use |
| Uses natural language processing (NLP) algorithms to understand the text and identify non-human content. | Doesn’t give you insights into which parts of the content are duplicate or AI generated. |
| Affordable Pricing | May sometimes detect your original content to have been written by an AI. |
Copyleaks
Best For: Educators, students, and content creators, effectively identifying AI-generated content to maintain authenticity in academic and professional contexts.
Pricing: $10.99/month with a limited free version available
AI Content Detection: GPT4, ChatGPT, Gemini, AI+Human
Rated: 4.5/5
Link: https://copyleaks.com/ai-content-detector
Copyleaks works both as a plagiarism checker and one amongst the top AI content detector tool. It is helpful for individuals, educators, and companies like marketing agencies as it offers services both premium and AI detector free. This tool helps ensure the content is original by scanning for duplicates across the internet and various databases. You can start with a free trial account on Copyleaks AI content detector and utilize its highly advanced facilities in multiple ways. You can upload your file, paste it as plain text or enter a URL, and then it will let you specify a range of parameters. This tool is also designed for detecting AI-generated academic content.
With an accuracy of roughly 92%, Copyleaks AI content detector claims to recognize text from practically any NLP model, including the newest ChatGPT-3 and is the best AI checker. Not only that, but Copyleaks AI detector has tools to assist educators in grading work fairly and objectively.
Key characteristics of Copyleaks Include:
- LMS integrations for plagiarism and AI detection that are simple to use, such as Canvas, Blackboard, and Moodle
- A Chrome Extension for real-time detection is available.
Pros & Cons of Copyleaks:
| Pros | Cons |
|---|---|
| Free to use | Does not provide a measurement of how much content is original |
| Covers different language models | The AI detector is a beta version, which means in the future it might be chargeable |
| Provides chrome extension | Varying detection accuracy, even for same content |
| Detects human text decently | |
| APIs for large-scale detections |
GPTZero
Best For: Educators and department heads exploring AI in academia, featuring a user-friendly design and specialized capabilities to facilitate the transition into the AI-driven future of education.
AI Content Detection: GPT-3, GPT-4, Bard
Pricing: Free to use on their website, but API may cost based on usage
Rated: 4/5
Link: https://gptzero.me/
This AI detector tool has been designed in a simple way primarily built for educators and educational institutions. GPTzero has numerous academically minded plagiarism detection tools. This tool has software that can provide a simple solution for detecting AI-generated content. It analyzes text based on their perplexity, which is mostly a measurement of the randomness of any text provided as a prompt and burstiness. It basically measures the predictability of content, which is based on patterns.
It can help detect content generated by ChatGPT, GPT-4, and Bard, along with all other AI models. This GPTZero review article will help with the effective feedback you want for on the service offered by this AI content detector.
Key Features of GPTZero:
- AI content API solutions with unique grading markers for corporations and organizations
- Text is highlighted to demonstrate how much content is created by AI
Pros & Cons of GPTZero:
| Pros | Cons |
|---|---|
| Free tool | Not as good as paid alternative apps |
| Easy to use | Cumbersome to use |
| Very reliable with both older and newer OpenAI language models (GPT-2, GPT-3, ChatGPT, GPT-4) | Regularly gives false positives |
| It can help users avoid being fooled or manipulated by fake or misleading content created by AI. | It may not be able to detect all types of AI-generated text |
Crossplag
Best For: Content creators and SEO experts, guaranting content originality with rapid AI-driven detection, catering to high-volume needs while being vital for preserving SEO rankings and facilitating team or institutional plagiarism and AI content checks.
Pricing: $9.99
Rated: Not Available
Link: https://crossplag.com/ai-content-detector/
Crossplag is also based on machine learning and NLP, like any other top AI detector tool. This AI text detector tool uses software that shows results on a scale of red to green, where red means unoriginal content and green means original.
Liked by most users, Crossplag AI content detector is a powerful tool that uses advanced algorithms to scan your text and identify any plagiarism, big or small, with reasonable accuracy. This tool works after scanning a vast text dataset humans and AI generate.
It generates the output in color format as green (original Content) and red (suspiciously AI Content), making it simple to identify potential issues at a glance. This tool offers reasonable accuracy rates that will allow you to maintain content hygiene.
CrossPlag supports various file formats and offers a user-friendly interface, making it easy for users to check the originality of their content.
Crossplag Characteristics:
- NLP, OpenAI Dataset, and RoBERTa model are all used.
- Quick, precise, and simple to use
- It is compatible with Google’s most recent content rule change.
- For reliable results, it has been trained with approximately 1.5 billion variables.
Pros & Cons:
| Pros | Cons |
|---|---|
| Supports over 100 languages | Not adept at the latest GPT model |
| Free plan available | Pricing could be an issue for some |
| Dedicated reporting APIs | Where its plagiarism is reasonably good, its AI detection may give out false positives |
| Checks up to 1000 words at a time | Inaccurate results |
| Modern and friendly user interface | Doesn’t highlight AI-generated content |
Kazan SEO
Best For: SEO Optimization and AI content detection
Price: Free to use
AI Content Detection: AI GPT-3
Rated: 5/5
Link: https://kazanseo.com/
Kazan SEO is a content optimization tool which can help you to easily identify content that is generated by GPT-3. All you need to do is paste your content in the editor window and it will provide you the percentage of real or fake content found.
Kazan SEO AI detector tool packs multiple other features alongside AI content detection like – Content optimizer, SERP overlap, text extractor, and keyword clustering tool. To get a quick highlights and user reviews based on this concerned tool, you can check Kazan SEO reviews.
Kazan Seo – ChatGpt Detector Characteristics:
- Models that are free and open-source
- It includes a number of SEO optimization tools.
- Contains the most recent GPT detection techniques
Pros & Cons:
| Pros | Cons |
|---|---|
| Can detect GPT-3-generated text | Needs at least 200 words for reliable results; but can only analyze upto 400 words. |
| Interactive, beginner-friendly interface. | Buggy website and app |
| Far more accurate than other free tools in the category. | A bit distracting with all the other tools in the same interface. |
| Quick analysis and results |
Winston AI
Best For: Plagiarism and AI content detection simultaneously for Pro Bloggers and Web Publishers.
Price: Free for up to 2,000 words scan, Growth at $18/month for up to 80,000 words scan, and Custom offers adaptable pricing for extensive needs.
AI Content Detection: GPT-2, GPT-3, ChatGPT, GPT-4, Claude, Bing Chat
Link: https://gowinston.ai/
Winston AI is comparable to Originality.AI as it can detect AI-created text and duplicate content. It increasingly establishes itself as the primary AI writing detector tool for schools and publications. This tool supports detecting content generated with generative AI tools like Bard, ChatGPT, GPT-4, and other Large Langauge models (LLM). This tool supports Optical recognition (OCR) technology that helps users to scan image files for any type of AI content.
The simple program allows you to scan for AI content quickly:
- Copy and paste the text to be scanned into the text field.
- Depending on your requirements, toggle the plagiarism button ON or OFF.
- At the bottom right of the page, click on scan text.
- You will be prompted to look into your findings in a few seconds.
Features of Winston AI:
- Detection rate of 99%
- Compatible with ChatGPT, including GPT-4
- Highlights phrases that are most likely created by AI
- Scans extremely huge documents, even novels!
- Upload whole files in.word,.pdf, or even scans.
- Sources are used to identify plagiarism.
- Free readability rating.
Pros & Cons:
| Pros | Cons |
|---|---|
| 99% detection rate | Cannot do a website-wide scan |
| Works with ChatGPT and GPT-4 | No URL scanning option |
| Highlights sentences likely generated by AI | |
| Additional tools like plagiarism detection and readability scores. |
AI Detector Pro
Best For: Students/ employees/ researchers/ businesses
Pricing: Starting Price: $13.99
Free Version: Free Version available.
AI Content Detection: ChatGPT, GPT-3, GPT-4, Bard
Rated: Not Available
Link: https://aidetector.pro/
AI Detector Pro comes as a powerful tool for AI writing detector that is specifically designed to detect AI generate content through GPT-3 based algorithms.
Interestingly, AI Detector Pro is not just used for AI-generated content, but it’s an entire suite of other useful tools and utilities. The platform allows users to manage their AI generation reports very efficiently with any project.
Users may retain the integrity of their work and make informed decisions by leveraging extensive reporting, advanced analysis, and high accuracy. AI Detector Pro is a dependable solution for uncovering the truth behind AI-generated information, whether it’s detecting AI-generated text in academic papers, articles, or website content.
AI Detector Pro’s Unique Feature:
- No word count limit on free or paid plans
- Highlights Ai-generated content
- Modern and easy interface
- Good detection of AI content and analysis
- Can do both manual text processing or URL fetching
Pros & Cons:
| Pros | Cons |
|---|---|
| Money-back guaranteed if detection is inaccurate | Only supports English |
| Figure out exactly which sentence is AI | The free plan is extremely limited |
| Conduct research, development and content activities in one place |
AISEO Content Detection/ AI Humanizer
Best For: Students/ employees/ researchers
Pricing: Starting Price: $15/mo
Free Version: Free Version available.
AI Content Detection: ChatGPT, GPT-3.5, GPT-4, Gemini, Claude
Rated: 4.5
Link: https://aiseo.ai/AI-tools/bypass-ai.html
AISEO Content Detection is a powerful tool that helps users identify AI-generated content, ensuring the authenticity and originality of their digital content. It uses advanced machine learning algorithms to analyze text patterns and structures, detecting deviations from norms that may indicate machine-generated content.
Users have praised AISEO for its ease of use, high-quality content generation, and extensive range of options for various content types. However, some users have reported a learning curve and occasional inaccuracies in content detection. Overall, AISEO Content Detection is an invaluable tool for maintaining the integrity of digital content and ensuring its authenticity.
Unique Features of AISEO Content Detection
- Support for multiple language processing (NLP) models, making it compatible with various AI writing tools.
- Ability to detect AI-generated content in various formats, such as text, images, and videos.
- Customizable settings to tailor the detection process to specific needs.
Pros & Cons:
| Pros | Cons |
|---|---|
| Efficient Content Detection | False Positives |
| Real-time Analysis | Complexity in Training |
| Customizable Filters | Limited Context Understanding |
| Scalability | Dependency on Regular Updates |
| Privacy Concerns |
GLTR AI Content Detector (RADAR)
Best For: Students
Pricing: Free
Free Version: Free Version available.
AI Content Detection: ChatGPT, GPT-3, GPT-4, Bard
Rated: Nil
Link: https://radar-app.vizhub.ai/
GLTR is an advanced AI content detection tool developed by the MIT-IBM Watson AI lab and HarvardNLP. It uses forensic analysis techniques to identify automatically generated text, particularly from GPT-2 and GPT-3 language models. GLTR offers a free version with key features, making it accessible to all users.
Unique Features of GLTR AI Content Detector
- Optical character recognition for identifying plagiarism and false positives.
- Grammar checking and sentence structure analysis for content quality assurance.
- It is free to use, no form of premium is required.
Pros & Cons:
| Pros | Cons |
|---|---|
| Advanced AI detection capabilities, particularly for GPT language models | May falsely highlight human-written content as AI-generated |
| Free version with key features, including optical character recognition and grammar checking | Limited additional features compared to other platforms |
Related Reads:
16 Best AI Writers To Automate Content Creation in 2024
Who Owns AI Generated Content?
Conclusion
To summarize, AI Detectors are becoming essential with the rise of AI writing tools. These AI content detectors ensure your content remains original and high-quality, so Google doesn’t flag it as low-quality. We’ve tested over 20 of these tools to bring you the best options. Our hard work means you can confidently use these AI checker tools to maintain the human touch in your writing. All of these AI detection tools are free and quite accurate. It’s worth trying them out to make sure your content feels human and stands out.
FAQs for AI Content Detector
How do AI detectors work?
AI detectors, or detection systems, work by utilizing machine learning algorithms to identify patterns and features within data. These systems are trained on large datasets that contain examples of both positive and negative instances of the object or behavior they are designed to detect.
What is the best AI detector tool?
Some of the Best AI Detectors are:
Winston AI
Originality AI
Undetectable AI
Copyleaks
Shortlisting the best AI detector 2024 is critical as each and every tool has its own unique features. You can check the article above to look for the best suited AI text detector tool according to your needs and requirements.
What is the most accurate AI content detector?
While AI Detector accuracy is subjective, Winston AI, Copyleaks or Originality AI are currently dominating the market of top AI content detector tools.
What is the most powerful AI detection tool?
With a detection percentage of 99%, Winston AI is currently dominating the market of top AI content detector tools.
