The Best AI Detection Tools of 2023

Artificial Intelligence (AI) is rapidly revolutionizing the world, and content writing is no exception. It helps writers, marketers, and business owners generate engaging, high-quality, relevant, and human-like content faster, saving time and resources. However, there’s a growing concern that AI content writing can be used for malicious purposes, such as plagiarism and misinformation. To help address this concern, various free and paid AI detection tools have been developed.

AI-powered detection tools use various methods to identify AI-generated content, including analyzing the text for patterns common in AI writing. They help verify the source and quality of your content and protect your credibility and reputation. Here are some of the best AI detection tools in 2023: is one of the best-paid and easy-to-use AI detection tools on the market. It compares your content to a database of known AI-generated content to detect AI-generated content. The tool also combines AI detection with a plagiarism checker, offering a comprehensive solution for content verification.

With, you can know if the content is generated by GPT-3 or any other AI model and check for similarity with other sources on the web. It provides a simple score of 0-100 on how human the content is and how likely it is to be robotic. also highlights the sentences that appear to be AI-written or plagiarized, so you can easily edit them before publishing. The tool has no character limits on checks and charges $0.01 per credit, where one credit is equivalent to 100 words scanned.

OpenAI's AI Text Classifier

OpenAI offers Text Classifier, a new yet free-to-use tool for detecting AI-written text. It classifies text into different categories: intent, topic, and sentiments. The classification is based on a neural network trained on large amounts of text from various sources, including human-written and AI-generated texts.

The classifier can assign a label of “human” or “AI” to any text input and provide a probability score for each label. It is designed to be robust to standard editing techniques that can be used to evade detection, such as changing words or punctuation. However, advanced attacks or out-of-distribution inputs can fool the imperfect classifier.

AI detection tools


Huggingface is a popular open-source library that offers a vast range of AI models for NLP (Natural Language Processing) tasks. It provides easy access to state-of-the-art language models like GPT-3 and BERT, enabling developers and researchers to build and share powerful AI applications.

The platform also has a collection of pre-trained models that perform various NLP tasks, such as content creation, translation, summarization, and sentiment analysis. Among these models are some that can be used for AI detection, such as GPT-2 Detector or GPT-3 Detector. They help scan any text input and provide a score indicating how likely it is to be generated by GPT-2 or GPT-3, respectively.

Huggingface boasts a user-friendly interface and extensive community support, making it an invaluable resource for anyone with AI-powered text analysis. You can also fine-tune the models based on your data or create custom models using Huggingface’s tools and libraries.


Copyleaks is one of the best AI tools to detect plagiarism and AI-generated content. It scans submitted content and compares it with billions of online sources, including websites, blogs, academic databases, and social media posts. This helps you find and remove plagiarized content from your work.

Leveraging advanced machine learning algorithms, Copyleaks provides detailed reports for submitted content. The tool highlights similarity percentages, and source links, provides originality scores, and offers suggestions for improving your content.

Copyleaks can also scan up to 25,000 characters to detect AI system-generated content like GPT-3. The tool boasts a user-friendly interface and seamless integration options, making it popular among content creators, educators, and publishers. While its web interface is freely available, you may need to spend about $10 monthly to scan 25,000 words.


The Writer is an AI assistant that helps B2B businesses create precise and effective content for various purposes and platforms. It also offers a free AI detection tool that can help find out if an AI system generated your content. The tool scans up to 1,500 characters at a time and provides a score out of 100 on how human-like the content is.

Although Writer’s AI detection tool is less accurate than most tools in this article, it is free. The tool also uses machine learning to analyze the context and tone of the content. It suggests improving your content’s quality, readability, grammar, style, and spelling.

Content at Scale

Content at Scale is an AI platform offering content generation and editing services focusing on quality and authenticity. It employs a blend of human editors and AI algorithms to ensure the highest standards in content creation, protecting you against future Google updates. The tool has a built-in AI detection feature that helps you determine whether your text is human or AI-generated.

While Content at Scale’s AI detector is inaccurate, it can help improve the quality of your content. It also gives you more insight into the content’s predictability, probability, and pattern, ensuring your work is perfect.


GLTR (Giant Language Model Test Room) is a free tool designed to help you detect GPT-2-generated content with ease. It uses a neural network to analyze your content, highlighting sections that appear to be AI-generated.

However, GLTR is somehow out-of-date in the present post-ChatGPT world. It lacks recency and accuracy, making it ineffective against newer GPT-3 powered models and tools. Despite these challenges, GLTR can help you understand how modern AI detection tools work and word choices and patterns that are more predictable.


GPTZero is a free tool designed after ChatGPT’s release to help educators detect and fight academic plagiarism. The tool is specifically for academic essays, not blog posts and social media content tailored for marketing purposes. It can try, but you won’t get accurate and effective results like most tools.

With GPTZero, you can scan up to 5000 content characters and analyze its burstiness and perplexity. This enables you to determine the likelihood of your essay being AI or human-generated. The tool also highlights text that appears to be AI-written so you can edit it.

Get the Best Human Crafted AI Content Writing Services Today

The best AI detection tool choice varies depending on your specific needs and budget. You may consider a paid tool like or Copyleaks if you need a highly accurate AI content detector. If you are on a budget, consider a free tool such as AI Text Classifier from OpenAI or Writer.

Regardless of which AI detection software you choose, remember that every tool has pros and cons. Some AI content detection tools like Copyleaks can misidentify human-generated content as AI-generated and vice versa. Using multiple tools is advisable to get a more accurate assessment of whether or not a piece of content is AI-generated.

Alternatively, consider seeking the best human crafted AI content writing services from our experts at SEO Markers. We leverage our vast experience in using some of the world’s best AI writing tools to deliver unique, high-quality content that’s difficult to detect. Our experts also use reliable and accurate AI content detection tools to ensure your work isn’t considered artificial. Contact us to learn more about our AI writing services, and place an order to get started today.

Becky Wright

Becky Wright is a digital strategist and content manager with over 10 years experience as a digital marketer.


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