Comparing the Best AI Content Detection Tools: Which One is Right for You?

Have you ever wondered how to tell if a piece of text was written by a human or a machine?

That’s where AI content detection tools come to the fore. These tools are software applications that can help you identify and analyze the quality, originality, and relevance of online content. There are many such tools available on the market, but how do you choose the best one for your needs?

In this article, we will cover some of the most popular and reliable AI content detectors and highlight their features and benefits to help you make an informed choice.

AI Content Detectors [Key Takeaways]

  • Basically, AI detection tools can find out if a text is written by a human or a machine.
  • Top tools like Writer, Copyleaks, and Originality.AI help bloggers and website owners avoid duplication issues. These help them keep their blogs and websites authentic and unique.
  • AI detectors look for strange patterns in text. This helps users spot content made by machines, not humans.
  • These handy tools also use quick checks, context reviews, and originality tests to scan blog posts for fake parts.
  • AI detectors are useful in academic writing, journalism, digital marketing, and other fields.

How AI Content Detection Tools Work

This section provides an overview of how AI content detection tools function, focusing on their reliance on natural language processing and machine learning.

Overview of how AI detection tools function

AI detection tools work in a smart way. They take text and scan it all the way through. The tools then match this scanned text with many other texts. Some of these texts are written by people, others by AI.

Next, the tools look for clues that show if AI created the text. These can be bits that repeat over and over or seem odd. The tools use math to determine if AI wrote these parts or not.

Use of natural language processing and machine learning

AI content detection tools use natural language processing and machine learning. They help determine if a human or a machine created the words. They build patterns from data through deep learning.

This lets AI programs do better each time. Natural language processing lets machines understand both text and voice data. The more they learn, the better they get at distinguishing human work from AI work.

Search engine optimization (SEO) professionals and writers who manage many posts need these tools now more than ever.

Top 12 Best AI Content Detection Tools

Dive into an in-depth analysis of the leading AI content detection tools, talking about features, user-friendliness, and overall effectiveness to help you choose one that perfectly meets your needs.

Don’t miss this opportunity for detailed insights.

#1 Writer


Writer is a tool that helps writers create clear, consistent, and engaging content. One of its features is the AI Detector, which can identify text that was generated by artificial intelligence (AI). The AI Detector analyzes the style, structure, and coherence of the text. It can also flag potential errors, plagiarism, or bias in the text.

The AI Detector helps writers verify the quality and originality of their content and avoid using unreliable or unethical sources. What’s more, this tool can work with different languages and domains, and it can integrate with various platforms and applications.

#2 Copyleaks


Copyleaks AI Content Detector is an enterprise solution that has a very low false positive rate, which means that it rarely mistakes human content for AI content. For example, out of 20,000 human-written papers, it only misclassified 0.2% as AI-generated.

It can detect AI content from various models, such as GPT-4, Gemini (ex Bard), and GitHub Copilot, in 30 languages. It can also identify plagiarism and AI content paraphrasing, as well as AI-generated source code. Copyleaks is trusted by leading organizations and institutions for ensuring cyber compliance and preventing copyright infringements.

#3 Content At Scale

Content At Scale

Content At Scale provides marketers and website owners with undetectable AI-generated content. On their website, they also offer a free AI content detection tool. It can detect content generated by popular AI writing models such as ChatGPT, GPT-4, Gemini, and Claude, among others.

The tool displays a human content score from 0% to 100%, indicating the probability percentage that the text was written by a human. The tool also highlights sentences that trigger AI detection due to their robotic nature.

#4 Originality.AI


Originality.AI is a tool that detects content written by AI and helps users identify the source, quality, and credibility of the text. It works by applying natural language processing and machine learning techniques to the text and comparing it with a large database of human and AI-written texts.

It can also provide feedback and suggestions on how to improve the originality and readability of the text. Originality.AI is useful for writers, editors, educators, students, and anyone who wants to check the authenticity and quality of their texts.

Follow this link for an in-depth review.

#5 GPTZero


GPTZero emerged after the release of ChatGPT, the AI writing tool that debuted in November 2022 and impressed users with its ability to instantly generate human-like text in response to prompts. In addition, GPTZero can detect writing by various language models, including GPT-4, GPT-3, GPT-2, and LLaMA.

GPTZero provides a Google Chrome extension called Origin for quick access to their AI detection tool. It’s free and works on every website. This tool is highly useful in spotting AI-written content in a matter of seconds.

#6 Sapling


The tool that detects AI-written content of Sapling is a free online service that outputs the probability that a text is AI-generated by a language model such as ChatGPT or Gemini. It can be helpful for educators, SEO practitioners, and reviewers of user-generated content.

The tool uses a machine learning system similar to that used to generate AI content and highlights portions of the text that appear to be AI-generated. It also provides an API and a browser extension for easy access.

#7 Turnitin


Turnitin is software that helps educators and students maintain academic integrity by checking for plagiarism and other forms of academic misconduct. Turnitin also offers a feature to detect AI writing.

Turnitin’s AI content detector is available to customers using various Turnitin products, such as Turnitin Feedback Studio, Turnitin Originality, Turnitin Similarity, Simcheck, Originality Check, and Originality Check+. However, it will only be available to those who license Originality with their existing product as of January 2024.

In my article about AI checker tools for teachers, you can learn which other tools are popular among educators.

#8 Corrector App

Corrector App

Corrector App is an easy-to-use tool that detects AI-written content and helps users identify and correct it. It can detect various features of AI-generated text, such as repetition, inconsistency, unnatural wording, lack of coherence, and grammatical errors.

It also provides suggestions for improving the quality and originality of the text. Corrector App is useful for anyone who wants to avoid plagiarism, improve their writing skills, or verify the authenticity of online content.

#9 Crossplag


The AI Content Detector is a tool developed by Crossplag to help educators, publishers, and content creators find and flag AI-generated content. This way, they ensure the authenticity and originality of their work.

When evaluating whether a text was written by an AI, the tool provides a confidence percentage and it also has three result outputs: Human, Mix, and AI.

#10 Kazan SEO

Kazan SEO

Kazan SEO is a content optimization and detection app that offers various SEO tools, including an AI content detector. The AI content detector can analyze URLs or text inputs and determine the percentage of human-written content versus AI-generated content.

It can also detect the type of AI model used to generate the content, such as ChatGPT, GPT-3, or GPT-4. There are two forms of Kazan SEO’s AI content detector: AI Detector Small, which analyzes pasted text, and Bulk Detector, which scans URLs for AI-written text.

#11 ZeroGPT


ZeroGPT is a tool that can detect and measure the presence of AI-generated text in any document. It works by analyzing the linguistic patterns and features of the text and comparing them with a large database of human and AI-written texts.

It then highlights the sections that are likely to be produced by an AI system and gives a score to show the scope of AI’s influence. You can use ZeroGPT in any web browser or install it as a free Chrome extension.

#12 Winston AI

Winston AI

Winston AI enables content creators, educators, and web publishers to verify that the content they are consuming is created by a human. Winston AI uses advanced AI detection technology to scan text and detect any AI-written content with 99.6% accuracy.

It also provides a best-in-class plagiarism checker. Furthermore, Winston AI can scan and recognize digital and handwritten documents using optical character recognition (OCR) technology. It currently supports the English and French languages, but more languages are planned to be added soon.

Importance of AI Content Detection

The rise of AI tools is undoubtedly a big step in technological advancement and the evolution of working processes. However, they should be used consciously and responsibly. AI is not a way to play the system; it’s rather a way to upgrade your own efforts.

Read on to find out why and for whom AI content detectors are useful.

Detection helps prevent AI misuse and plagiarism

Detection is a crucial element for ensuring the ethical and responsible use of AI and avoiding plagiarism. By identifying the source and origin of AI-generated content, users can verify the authenticity and credibility of the information they consume.

This makes it easier for creators to protect their intellectual property rights and prevent unauthorized copying or modification of their work. Detection can also foster trust and transparency in the AI community, as well as promote innovation and collaboration among researchers and developers.

“Most AI detection tools today focus solely on one feature: AI detection. There’s a high possibility that this capability will evolve, integrating with editing and grammar-checking functionalities. It would be very convenient to have all-in-one tools that allow users to edit text, review grammar, check plagiarism, and detect AI-generated content on a single platform.” Andre Oentoro, CEO and Founder, Breadnbeyond

Benefits of using AI detection tools for educators and website owners

AI content detection tools offer invaluable benefits for educators and website owners alike.

For educators, these tools streamline the process of monitoring and moderating their students’s work, ensuring a safe online learning environment. Automatic detection of inappropriate or plagiarized AI-generated content saves time, allowing educators to focus on teaching.

Website owners benefit from enhanced content quality control, protecting their platforms from harmful material, and maintaining a positive user experience. With AI detection tools, both educators and website owners can foster a secure and engaging digital space, promoting learning and interaction while minimizing risks and content-related challenges.

“Content-heavy organizations, like media or education technology, should test AI solutions. However, leaning too hard into AI could erode human discernment in the review process.

The technology is still most helpful for prioritizing which items need closer inspection. As creators, we still want the “wisdom of the crowd” feedback. I advise carefully evaluating your workflow gaps and content risks before bringing AI detectors into the mix. Their recommendations will only be as good as the data they’re trained on.”
Lou Reverchuk, Co-Founder and CEO, EchoGlobal

Can Google detect AI content?

Google has been developing various tools and techniques to identify and filter out content that is generated by AI systems. Some of these methods include analyzing the linguistic patterns, semantic coherence, factual consistency, and stylistic features of the text. Google also uses human reviewers and feedback mechanisms from verifying the quality and authenticity of the content. Automated AI content detection isn’t perfect and, often, should be combined with a human perspective.

However, as AI systems become more advanced and capable of producing realistic and convincing content, it may become harder for Google algorithms to detect and distinguish them from human-written content. Therefore, Google faces the constant challenge of keeping up with the latest developments and innovations in AI content generation.

“I recommend not viewing AI detector scores as an absolute number, and focusing more on delivering content that is unique and demonstrates experience and expertise. We’ve experimented with running a single article through multiple tools where in one instance, the results may align, and in other instances, one tool concludes it’s human, while the other concludes it’s all AI.

These experiences support my original statement about how much weight we should put into AI detector tools, given the inconsistencies, and why it’s more important to focus on critical thinking and best practices for humanizing AI content.”
Justin Staples, Owner and SEO Expert, JS Interactive


Choosing the best AI content detection tool is a key step in keeping your content as original as possible. It should catch the most heavily AI-generated text and guard against various issues, such as plagiarism, counterfeiting, and robotic speech. It should also be able to detect and flag AI-generated content that is not authentic or credible.

Be wise and pick the one that works best for you.


What is an AI content detection tool?

An AI content detection tool can analyze and sort digital data to find specific information. This tool can determine whether a text is fully or partially created by AI.

Why do I need an AI content detector?

Using an AI content detection tool can help you save time, detect patterns, and understand your content better. It can be useful for many purposes, such as detecting fake news, academic fraud, spam, and other forms of deception or manipulation that rely on automated text generation.

How does an AI content detection system work?

The system uses machine learning to scan through the data quickly, find patterns, and understand what it is about.

Can I use AI content detection tools for free?

Yes, you can use AI content detection tools for free. There are many online platforms that offer free trials or limited access to their services. However, some of them may have restrictions on the number of requests, the size of the content, or the quality of the results.

Are AI content detection systems 100% accurate?

AI content detection systems are not 100% accurate. They may have false positives or false negatives, depending on the data, algorithms, and parameters used.

Article by

Nikola Baldikov

Nikola Baldikov is an SEO magician with a passion for helping companies succeed in their online efforts. He is a founder of Inbound Blogging, where he specializes in SaaS marketing, SEO, and outreach strategies. In addition to his work, he is an avid football fan and loves to dance.

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