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Top 5 Free AI Detection Tools

Julia McCoy
Friday, 9th Jun 2023
Free AI detection tool

Picture this.

You’re browsing the web, searching for reliable information.

Suddenly, you stumble upon an intriguing article that seems to be exactly what you need.

But wait a minute…

Is it genuine human-written content or AI-generated text?

A report from Europol estimates that 90% of online content will be synthetically generated by 2026, and although we’re pretty much accustomed to the presence of bots by now, it’s not our default to be critical of every piece of digital content we encounter.

If you want to be sure that the information you are consuming has been vetted by a human, then a free AI detection tool is just a click away!

In this blog post, we’ll explore how free AI detection tools work, who needs them, common issues that you should be aware of, and the best free AI content checker for you.

Table Of Contents:

How Do AI Detection Tools Work?

Artificial intelligence (AI) has become an essential part of content marketing and SEO. With the rise of AI-generated content, it’s important to have tools that can detect whether a piece of content was created by humans or machines.

The Role of Machine Learning

Machine learning is at the heart of how these AI detection tools work. It involves training computer systems to learn from data and improve over time without being explicitly programmed. In the case of detecting AI-generated text, machine learning algorithms are trained on large datasets containing both human-written and machine-generated texts.

This process allows them to identify patterns in language use that distinguish between human-created text and those generated by machines. As more data is fed into these algorithms, they become better at recognizing subtle differences between human-written text and machine-generated ones.

Natural Language Processing

Natural language processing (NLP) is another critical component used in detecting AI-generated content. NLP enables computers to understand natural languages like English, French, or Spanish just as humans do.

This technology helps break down sentences into individual components such as words, phrases, clauses, etc., allowing for analysis based on context rather than just keywords alone. This makes it easier for computers to differentiate between authentic texts written by humans versus those produced artificially.

85% of digital marketers are using AI for article writing. Source: Authority Hacker

The Importance of AI Content Detection

As the use of artificial intelligence tools becomes more widespread, businesses must ensure that their content is unique and original. With 85% of marketers using AI for writing, there is a risk that some articles may sound repetitive or even plagiarized.

Detecting AI-Generated Content

To avoid publishing generic content, you need to learn how to remove AI detection from your text. One way to do this is to use a tool that analyzes written material and identify sections that seem to have been generated by a robot By detecting this type of content early on, you can take steps to ensure you are only publishing high-quality material.

If you’re looking for a free AI detector, one such tool is the Content at Scale AI Detector. This detector uses machine learning algorithms and natural language processing techniques to identify patterns in text that suggest it was written by an AI model like ChatGPT, Gemini or Claude.

AI detector

Results from Content at Scale’s AI detector

Detecting Plagiarism

Plagiarism checkers can also help verify whether any part of their content has been copied from elsewhere on the internet. These checkers compare your work against millions of online sources like web pages as well as academic databases and publications so you get accurate results every time!

Examples of plagiarism scanners are:

AI detection tools and plagiarism checkers are essential if you want to publish high-quality, unique content. By using these tools, you can avoid publishing inaccurate or plagiarized material while also protecting yourself against potential legal issues related to copyright infringement.

Hot tip: Content at Scale has the Copyscape Premium API integrated into the app so you can check for plagiarism without switching to another tool.

request plagiarism scan in content at scale

The plagiarism scan feature in Content at Scale

Why You Need a Free AI Detection Tool

Save time and money by using a free AI detection tool to check your content for plagiarism and grammar errors in minutes.

Protect your reputation as a writer or publisher by ensuring originality in every piece you produce.

Many free AI detection tools also offer grammar-checking capabilities, providing suggestions on how to improve sentence structure and clarity.

Don’t risk your credibility – use a free AI detection tool to ensure your content is top-notch.

Can Google Detect AI Content?

The rise of AI has brought about a new era in content creation. With the help of machine learning and natural language processing, it is now possible to generate high-quality articles that are virtually indistinguishable from those written by humans. However, this has raised concerns about the authenticity and originality of such content.

Google’s Ability to Detect AI-Generated Content

Given its dominance as a search engine, many people wonder whether Google can detect AI-generated content.

According to Duy Nguyen, a member of Google’s search quality team, the answer is yes.

Nguyen has stated that “Google does have the ability to detect automatically generated pages and sites.” He added that while some tools may be able to fool Google temporarily, they will eventually get caught.

This means that if you try to use AI writing tools for spammy purposes like scraping content from other websites or generating low-quality articles en masse without any regard for their usefulness or relevance, your site could end up being penalized by Google’s algorithms.

Distinguishing Between Useful Content and Spam

It’s important to note that Google doesn’t consider all AI-generated content spam. If the article provides value and meets user intent, then it will be treated favorably regardless of how it was created.

How do you avoid being penalized by Google?

  • Avoid scraping: If you’re using these tools simply as a way to scrape existing articles on other websites rather than creating something new yourself, then expect negative consequences from search engines.
  • Create valuable content: To avoid violating Google’s guidelines, focus on creating valuable content that meets user intent and adds value to your website.
  • Use AI writing tools responsibly: If you do decide to use AI writing tools or other similar technologies for content creation purposes, make sure that you’re using them responsibly and not simply trying to generate hundreds of low-quality spammy content.

While Google does have the ability to detect AI-generated content, it’s important to remember that not all AI content is considered spam. By focusing on creating high-quality articles with genuine value for users rather than just churning out meaningless text en masse, you can avoid running afoul of these guidelines and ensure your websites remain in good standing with Google’s algorithms.

5 Best Free AI Content Detection Tools

What is the best free AI detector? Here are some of the best free AI content checkers available:

1. Content at Scale: Content Generator + AI Detection Platform

Content at Scale is more than just an AI detector tool. It offers a 2-in-1 solution by serving as both an AI content detector and a content writing platform. With this tool, you can check your existing content for any traces of AI input while also creating new articles using its advanced copywriting engines.

Here’s how our AI detector is built into our AI content creation app:

One standout feature of Content at Scale is its use of natural language processing (NLP) and semantic analysis techniques to generate high-quality text. By analyzing thousands of texts on the web, the software selects one that matches your input style and context perfectly.

To ensure accuracy when detecting fake text generated by machines rather than humans, Content at Scale uses machine learning technology combined with advanced linguistic analysis techniques. This ensures reliable detection even if the fake text has been crafted skillfully enough to deceive human readers.

Need undetectable AI content? Sign up for Content at Scale’s AI Detector Pro for unlimited rewrites!

Content at Scale AI detector pro

2. GPTZero: Best AI Content Detection Tool for Teachers and Students

Giant tech companies continue investing millions into research aimed at improving artificial intelligence technologies every year. As these technologies become more sophisticated over time, they will undoubtedly play an increasingly important role in shaping our educational landscape — from K-12 schools all the way up through higher education institutions.

If you’re looking for a powerful yet affordable tool that can help you improve your writing skills while ensuring academic integrity, GPTZero is definitely worth checking out. With its advanced AI technology and commitment to accuracy, it’s quickly becoming one of the best content detection tools available today.

There are several benefits to using GPTZero as a teacher or student:

  • Plagiarism detection: With its advanced machine learning algorithms, GPTZero can quickly detect any instances of plagiarism in your work. This makes it an invaluable tool for educators who want to ensure academic integrity in their classrooms.
  • Natural language processing: The software uses natural language processing (NLP) technology to analyze text at a deeper level than other similar tools. This allows it to identify not just exact matches but also paraphrasing and other forms of manipulation.

Unfortunately, only the first 5,000 characters are shown in the free version of GPTZero.

3. GPT-2 Output Detector: Easy-to-Use Free AI Detector

The GPT-2 Output Detector is one of the easiest tools to use for AI content detection. All you have to do is paste your text into the box provided, and in no time at all, it will show you what percentage of your content is real and what percentage of it has been generated by artificial intelligence.

This makes it an ideal choice for website owners and publishers who want a quick way to check their content’s authenticity without having to spend hours manually checking each piece themselves.

Another great feature of this tool is that there’s no need to sign up or create an account before using it. Simply visit their website, paste in your text, and let the software do its job!

4. Kazan SEO: Free AI Detector Tool with Content Optimizer

Kazan SEO is a free AI detection tool that can detect whether an article or text has been written by a human or machine. This tool relies on machine learning and linguistic analysis techniques to accurately determine the originality of content.

Features of Kazan SEO:

  • Content optimizer: Helps in generating optimized content.
  • Text extractor: Extracts relevant information from web pages.
  • GPT-3 detector: Detects whether the given text is generated by OpenAI’s language model, GPT 3, which uses NLP techniques for writing tasks such as translation, summarization, and answering questions.
  • Keyword-oriented features: Helps organize keywords automatically.

Kazan SEO detects fake articles by analyzing the structure and language used in a piece of content. Its sophisticated algorithms compare various factors like grammar usage patterns, and sentence structures to differentiate between human-written texts and those generated through artificial intelligence technologies.

5. Giant Language Model Test Room (GLTR)

The Giant Language Model Test Room ( performs forensic inspection of some elements of a language model on text to determine its authenticity.

This open-source project developed by the MIT-IBM Watson AI Lab uses machine learning algorithms to analyze text and detect if it has been generated by an artificial intelligence system or written by humans.

To use GLTR, all you need to do is copy-paste your text into the provided textbox. The software then analyzes various features like word frequency distribution, sentence length variation, etc., before generating histograms showing probabilities of words being either human-written or AI-generated.

While these histograms might seem complex at first glance, they provide valuable insights into the authenticity of your content. For instance, if a histogram shows a high probability of certain phrases being generated by machines rather than humans, it could indicate plagiarism issues with those sections of text.

Another great feature offered through GLTR is its ability to highlight specific sections within your document so you can easily see where changes need to be made before publishing anything online.

Common Issues with Free AI Detection Tools

Free AI detection tools can be helpful, but even the best free AI content checker isn’t perfect.

Let’s look into frequent difficulties and how to address them.

Limited Features and Functionality

Free tools may lack features or have limited functionality compared to paid alternatives.

To overcome this, consider upgrading to a premium version or supplementing with resources like Grammarly.

Inaccurate Results

Free AI detection tools might produce inaccurate results due to outdated algorithms or insufficient data sources.

If you suspect an error, double-check manually or use another reputable tool like Copyscape.

False Positives

Become familiar with common false positives and false negatives in AI detection tools to interpret results more accurately.

Cross-check flagged content using alternative resources like a different plagiarism checker or grammar tool to confirm the findings of your free AI detector.

Collaborate with colleagues or peers in reviewing and analyzing text for potential issues that may have been missed by the AI detectors.

Data Privacy Concerns

Data privacy is a concern when using online tools, especially free ones.

Research the company and review its privacy policy before submitting sensitive data.

Frequent Advertisements and Upsells

Ads and upsells can be distracting while using free AI detection tools.

Invest in an ad-free experience by opting for a paid version if possible.

Error Messages and Slow Performance

Error messages could occur due to high server load or technical glitches.

Try again later or pause for a bit before trying to utilize the tool.

Limited Customer Support

Free tools may not offer extensive customer support options.

Reach out to community forums or search for online tutorials and guides to resolve issues.

Remember that no tool is perfect — always use human judgment alongside machine learning algorithms to make informed decisions about your content’s authenticity and quality.

By being aware of common issues and troubleshooting effectively, you can continue using these tools without sacrificing quality or efficiency.


Free AI detection tools are a must-have in today’s world of rampant fake news.

With the increasing use of machine learning and natural language processing technologies, it has become easier than ever before to generate large volumes of text quickly. However, this also means that there are more opportunities for people to create low-quality content and fill the Internet with more garbage.

This is where AI detection tools come in handy. They analyze tens of thousands of words within minutes so you can avoid publishing duplicate or unoriginal articles on your website.

These tools ensure that any content you publish is original, relatable, and written with a personal touch.

The benefits of using these tools are clear — they can help you protect your business without costing you a dime.

If you’re looking for a free tool to detect AI-generated content, then check out our list of the best AI detectors today.

Written by Julia McCoy

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