Best AI Checker Tools to Detect AI-Generated Content

In today’s digital age, the rise of artificial intelligence (AI) has revolutionized various industries, including content creation. With the advent of AI-generated content, it has become crucial to have reliable tools that can detect whether a piece of content was written by a human or a machine. In this article, we will explore the best AI checker tools available in the market that can help you identify AI-generated content. These tools can be useful for content creators, educators, researchers, and anyone concerned about the authenticity and originality of the content they encounter.

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As AI technology continues to advance, so does the sophistication of AI-generated content. From AI chatbots to automated content generation, it has become challenging to distinguish between human-authored content and AI-generated content. To address this issue, several AI checker tools have emerged, providing users with the ability to detect AI-generated content accurately. These tools employ various techniques such as natural language processing, machine learning algorithms, and statistical analysis to identify patterns and indicators of AI content.

Best AI Checker Tools

OpenAI Text Classifier

One of the most reliable AI plagiarism checkers is the OpenAI Text Classifier. This tool is available for free and offers robust detection capabilities. However, it requires a minimum text input of 1,000 characters, making it suitable for longer pieces of content. The OpenAI Text Classifier has been trained on a diverse set of data, including inputs from both humans and AI, allowing it to analyze and compare different writing styles effectively. It provides accurate results, but it’s important to note that OpenAI has stated that this tool is not fully reliable and should not be solely relied upon to identify copied text.

Content at Scale

Content at Scale is another free AI detector that specializes in detecting content generated by AI models like GPT-3 and others. This tool can quickly identify AI-generated content within moments, making it a convenient choice for users who require instant verification. Content at Scale leverages advanced algorithms to analyze the language patterns and structure of the text, enabling it to differentiate between human and AI-generated content effectively.


ZeroGPT is a free AI checker tool that offers an overall score and highlighting to identify AI-generated content. Although it doesn’t provide plagiarism detection specifically, it can still be a useful tool for content creators and researchers. ZeroGPT uses the DeepAnalyse™ algorithm to analyze the text and provide insights into its authenticity. While it may not have the same level of accuracy as some other tools, it can still serve as a valuable resource to identify potential AI-generated content.

Winston AI

For users looking for a paid AI checker tool, Winston AI is an excellent option. Winston AI boasts an impressive 84% accuracy rate in identifying AI-generated texts. The tool utilizes advanced machine learning algorithms and linguistic analysis techniques to identify patterns and characteristics of AI-generated content. With its high accuracy rate, Winston AI can provide users with a reliable solution to detect AI-generated content effectively.

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Similar to Winston AI, Originality.AI is a paid AI checker tool that offers reliable detection of AI-generated content. With a 76% accuracy rate, this tool can effectively identify texts generated by AI models. Originality.AI utilizes advanced algorithms and linguistic analysis to compare the given text with patterns found in AI-generated content. By analyzing key features and language patterns, Originality.AI can determine whether the content is likely to be generated by a machine or a human.


Sapling employs sophisticated algorithms and statistical analysis to analyze the text and identify patterns associated with AI-generated content. Its high accuracy rate of 68% makes it a valuable tool for content creators, educators, and researchers who want to ensure the authenticity and originality of the content they encounter.


While Grammarly is primarily known as a grammar and writing enhancement tool, it can also be useful in detecting AI-generated content. Although it’s not specifically designed as an AI checker tool, Grammarly’s advanced algorithms and language processing capabilities can help identify certain patterns and inconsistencies often found in AI-generated texts. By flagging potential AI-generated content, Grammarly can assist users in further investigating the authenticity of the text.


As AI-generated content becomes more prevalent, having reliable AI checker tools becomes crucial to maintain content authenticity and combat plagiarism. The tools mentioned in this article, such as the OpenAI Text Classifier, Content at Scale, ZeroGPT, Winston AI, Originality.AI, Sapling, and Grammarly, offer various features and levels of accuracy in detecting AI-generated content. Whether you’re a content creator, educator, researcher, or simply someone concerned about the origin of the content you encounter, these tools can assist you in identifying AI-generated texts and ensuring the integrity of your work.

It’s important to note that while these AI checker tools are designed to detect AI-generated content, they may not be 100% foolproof. As AI technology continues to evolve, so do the capabilities of AI models, which can make it more challenging to distinguish between human and AI-generated content. Therefore, it’s always recommended to use these tools as a helpful aid in content verification rather than relying solely on their results.

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