This post may contain paid links to my personal recommendations that help to support the site!

AI content is rapidly becoming common among content online.

As AI becomes more sophisticated with tools like ChatGPT, it’s increasingly important to have tools that can detect any potential AI-generated text output in your blog content and online copy that may harm your reputation.

In this blog post, I’ll compare 5 of the best AI content detector tools for GPT-4 and ChatGPT in 2023. Each tool has its own key features, so you can decide which one is best for you.

I’ll also provide pricing information and my take on each detector.

Let’s dive right in!

What is the Best AI Content Detector?

Let’s have a closer look at each of these AI tools in detail!

1. Originality.AI


Originality.AI is a machine-learning AI text detector that uses natural language processing (NLP) to spot plagiarism and detect AI-generated text.

Being one of the most popular AI content detection tools out there, Originality.AI can is seen by many content marketers as a reliable tool.

It also offers a plagiarism checker that works amazingly too.

I’ve also had a chance to detect content generated by AI, and it has worked surprisingly well!

Key Features:

  • Provides a comprehensive scan of millions of sources
  • Ability to check documents of any size and format, from HTML and PDFs to Word documents.
  • An easy-to-use dashboard that provides a full overview of your report results.
  • Reliable for detecting GPT-3 content
  • Paraphrase detection

My Take:

Originality.AI is the best AI detector overall, as it is the most versatile and reliable among all the other tools out there.

This tool is great for anyone who wants to have their written content checked—from blog posts to online copy, to news articles, and to essays.

I also like that they also have the feature to detect any paraphrasing being used, with only false positives at 4.86%! This means that human content incorrectly identified as AI is low.

I highly recommend Originality.AI for GPT-3 and ChatGPT content detection if you’re looking for a reliable, paid tool.

2. AI Detector Pro


AI Detector Pro is one of the newer AI content detectors that have a huge focus on updating its detection algorithm. This means they even have detection methods for content generated from ChatGPT, GPT 3, GPT 4, and BARD.

This tool is great for those who want a risk-free option since they provide a 30-day Money Back Guarantee.

One of the best things about AI Detector Pro is the option to get started for free with a simple registration—without having to key in any card details.

Their comprehensive detection tool allows you to analyze AI content on a sentence-level basis. Any AI content is automatically highlighted and indicated.

Key Features:

  • Sentence-level AI content detection
  • Free plan to try out 3 reports
  • 30-day Money Back Guarantee
  • Does not use a credits system like many other detectors

My Take:

AI Detector Pro is perfect for those who want a reliable tool that’s always up to date with the latest AI content generators out there.

I also believe that the money-back guarantee is a good feature to have for those of you who just aren’t fully convinced of how reliable their tool is.

Moreover, their paid plans are also priced competitively and are affordable for the number of reports you can scan.



SEO.AI’s AI detector is one of the free tools out there that let you check your content for AI up to 5000 characters. Made by a popular SEO AI content generator, this detection tool is a simple but easy-to-use tool that’s able to detect AI-generated text.

This tool is great for those who want a quick and free way to check their content.

One neat feature of the SEO.AI AI detector is the ability to break down your content according to 4 factors: prediction, entropy, correlation, and perplexity. This can provide deeper insight to your content to make sure that things are all human-written.

Key Features:

  • Detailed AI text analysis with a probability score
  • Free to use
  • Simple to use browser-based tool

My Take:

SEO.AI provides an excellent AI content detection tool for those on a budget. This free tool is one of the simplest I’ve used so far.

However, they do not currently provide a detailed AI text analysis of your text at a sentence level. It also lacks a paid plan offering much more advanced detection technology.

Overall, the SEO.AI tool is perfect as a quick tool for checking AI text if you’re a small content business or a student.

4. Content At Scale


Content At Scale is another AI content detection tool that uses artificial intelligence (AI) and machine learning (ML) to detect GPT-3 generated content.

This free tool can also check for duplicate words, sentences, and phrases to help you create unique content that’s free of plagiarism. It also runs semantic analysis algorithms to check for AI-written text and tells them apart from human-written content.

I also really like how this tool lets you check for AI-generated text through a simple Human Content Score index.

It also has an AI content writing service that promises to be undetectable by any AI content detectors!

Key Features:

  • Free AI detection tool
  • Detects AI-generated content from GPT-3 and ChatGPT
  • Runs semantic analysis algorithms to distinguish between human-written and machine-written content
  • Checks for duplicate words, sentences, and phrases
  • Determines content on a Human Content Score
  • Can also produce full blog posts with just a few clicks

My Take:

Content At Scale is one of the best AI content detection options if you’re looking for a free tool. It’s easy to use and can detect GPT-3 generated text quickly and accurately.

It also has an AI content writing service that promises to be undetectable by any AI detectors, which is great for those who need help creating unique content.

Overall, Content At Scale is an excellent choice for anyone looking for free AI content detector tools. I would personally recommend it to serious publishers who want an all-in-one solution to produce content and ensure that they are not penalized by search engines.

PROMO: Get 20% more credits when you subscribe using my link.

5. Writer


Writer is another great AI content detector tool that uses advanced technology to detect AI-generated text. It has a unique algorithm that checks for duplicate words, sentences, and phrases, as well as any AI-generated content from GPT-3 or ChatGPT.

What I really like about this AI detection tool is that it scans and works really fast! Furthermore, it is a free online tool.

However, it is only limited to scanning 1500 characters at a time.

Key Features:

  • Uses advanced algorithms to detect AI-generated text
  • Fast scanning and detection system
  • Scans up to 1500 characters at a time
  • Free online tool

My Take:

Writer is a great choice for those looking for a fast, reliable AI content detector tool. It has an advanced algorithm that can scan and detect AI-written content quickly and accurately.

However, the downside is that it only scans up to 1500 characters at a time. Nevertheless, Writer is still a great choice for anyone looking for a free online AI content detector tool!

6. Crossplag


Crossplag is another great free tool for AI content detection.

Built to combat plagiarism in academic institutes, this platform can detect GPT-3 generated text, as well as ChatGPT text and any human-written text with plagiarized content.

This AI content detector uses Natural Language Processing (NLP) to analyze each sentence as well as a combination of machine learning algorithms to recognize AI-written text.

This tool also has an excellent simple user interface that makes it easy to use.

Key Features:

  • Detects GPT-3 generated text, ChatGPT text, and human-written plagiarized content
  • Simple user interface
  • Free to use

My Take:

Crossplag is a great AI content detector for those looking for a free option. It has a simple user interface and can detect GPT-3 generated text, ChatGPT text, and human-written plagiarized content.

If you use an AI writing tool and would like to do quick checks on your content for free before you publish, Crossplag would be a good platform to consider.

Overall, Crossplag is an excellent choice for anyone looking for a free online tool to detect machine-generated content.

7. Copyleaks


Up next, we have the Copyleaks AI content detector! This AI content detector is another free, simple, and no-frills option for those on a budget!

This tool uses advanced AI technology to detect content from popular AI writing tools like ChatGPT and GPT-3.

They also provide a Google Chrome Extension, which is a neat addition for those who want easy access to their detection tool.

Their API and built-in LMS integrations make this tool perfect for businesses and learning institutes that need content on books, review, blog posts, and student essays.

Key Features:

  • Detects AI-generated text from GPT-3, ChatGPT, and other popular tools
  • Google Chrome Extension for easy access
  • Free to use online
  • Offers Learning Management System (LMS) integration
  • Offers an API for their detector
  • Fast and efficient scan times
  • Built-in analytics to analyze scanned AI content
  • Uses natural language processing techniques for plagiarism detection

My Take:

The Copyleaks AI content detection software is a great free option for those looking for an easy and reliable way to detect machine-generated text.

It has a Google Chrome Extension, API support, and LMS integration. Plus, their analytics can help you understand more about any detected AI content.

Overall, the Copyleaks AI content detector is an excellent choice for anyone looking for a free online tool to detect machine-generated text.

I also highly recommend it to schools and learning institutes looking for a solid plagiarism detector. It will also be useful for small businesses who want to ensure only human-generated content is submitted for assignments!

Related Questions

What is An AI Content Detector?

An AI Content Detector is a tool that uses artificial intelligence to detect text generated by machine learning algorithms. It can be used to identify content generated by popular AI writing tools such as GPT-3 and ChatGPT, as well as any human-written plagiarized content.

These detectors are used in many applications, including academic institutes, businesses, and other organizations, to ensure that only original content is being used.

They are often offered as free online web tools, web applications, or plugins for popular browsers such as Google Chrome.

What is Natural Language Processing?

Natural Language Processing (NLP) is a branch of artificial intelligence that focuses on enabling machines to understand and process human language.

It uses advanced algorithms, machine learning, and deep neural networks to analyze natural language data for various applications such as automatic summarization, text analysis, translation, etc.

NLP has become increasingly popular in recent years due to its many applications in creating AI content.

How to detect AI-generated content?

The best way for detecting AI content is by using an AI content detector. There are many free online tools available, such as Writer, Crossplag, and Copyleaks.

These tools use advanced algorithms and Natural Language Processing (NLP) to scan texts and detect any machine-generated text quickly.

Can Google detect AI content?

Google does not have an AI content detector tool, but it does have other tools that can help identify plagiarized and machine-generated content. For example, the Google Search Console can be used to detect duplicate content across multiple websites.

Additionally, the Google Docs plagiarism checker can be used to detect copied text within documents.

Which is the best AI content generator?

The best AI content generator is ChatGPT. This AI-powered content generator utilizes GPT-3, the latest language model developed by OpenAI. It can generate human-like text that can be used for any purpose, such as blog posts and essays.

Additionally, ChatGPT allows users to customize their output using parameters like length and sentiment.

Is there a free AI text generator?

Yes, there are several free AI text generators available. Some of the most popular ones are ChatGPT and

Most of these AI content generators use GPT-3 or other language models to generate human-like text. They are easy to use, and most offer a free trial.

However, for more accurate results and better customization options, users may need to opt for the paid version.

Final Thoughts

That’s about it for all the best AI detection tools for content out there!

No matter the type of content you need to detect, there’s a tool out there that can help.

If you’re on a budget, then Copyleaks and Writer are great free options for basic AI content detection. For more advanced features, Crossplag and offer premium plans that have some excellent features.

Whichever tool you choose, make sure to use it wisely and ethically. AI content detectors are an invaluable resource, and they should be used to protect original authorship and help maintain quality standards.

I hope this article has been helpful to you!