3 Best New AI Detectors You Can Use [For Free]

The proliferation of generative AI and the internet has made plagiarism a more complex issue, leading people to need the best AI content detectors available.

Fortunately, educators and content creators now have access to a suite of advanced AI detection tools.

After thorough testing all the big AI detection websites, I curated a list of the top 3 best AI detectors:

3 Best AI Detectors

AI DetectorProsConsStarsDetails
Undetectable.AIHighly accurate, fast, easy to use, no account neededNone⭐⭐⭐⭐⭐Combines eight different AI detectors, making it highly reliable and versatile.
Copyleaks AI Content DetectorVery accurate, fast and easy to useNone⭐⭐⭐⭐⭐Offers enhanced functions with a free account, like multiple languages.
Crossplag AI Content DetectorHighly accurate, analyzes up to 3,000 wordsFree account setup required after four uses⭐⭐⭐⭐Provides a percentage score for AI-generated text likelihood.

1. Undetectable.AI (AI Content Detector)

Out of all the tools I tried, I found that was by the far the best AI detector. Not only is it free, but it’s easy to use and very accurate. Pros and Cons:

  • Pros: Exceptionally accurate, fast, user-friendly, requires no account setup. Combines eight different AI detectors.
  • Cons: None.
  • Stars: ⭐⭐⭐⭐⭐

Why it’s the Best:
Undetectable AI stands out with its comprehensive approach, blending multiple detection methodologies. It’s not only free but also excels in accuracy and reliability. On top of its functionality as an AI content detector, it also has an AI text humanizer built-in that you can use to make sure your text bypasses is AI detection.

2. Copyleaks

Copyleaks dosen’t have as much power as, but it is worth mentioning. One issue with Copyleaks is that it’s very aggressive and may sometimes false flag.

Copyleaks Pros and Cons:

  • Pros: Somewhat accurate, fast, and straightforward to use.
  • Cons: Not Free, too pricey.
  • Stars: ⭐⭐⭐⭐

3. Crossplag AI Content Detector

Crossplag is an AI and plagiarism detection tool designed to cater to the needs of educators, students, and professionals. It utilizes advanced algorithms to meticulously analyze written content, checking against a vast database of academic and web sources.

With its balance of thoroughness and accessibility, Crossplag stands as a practical and reliable solution in the realm of plagiarism checking and AI-generated content detection.

However, it does require a paid account every visit four times which is a little bit lame.

Pros and Cons of Crossplaff:

  • Pros: High accuracy, analyzes up to 3,000 words.
  • Cons: Requires free account setup after four uses.
  • Stars: ⭐⭐⭐⭐


If you’re incorporating AI into your workflow, is going to be by far the best and most productive tool. If false positives and costs for detection aren’t a concern, the other AI detectors aren’t so bad themselves.

While AI detectors are a new type of technology, their importance and relevance is becoming widely understood. And Knowing whether or not these tools think your content is AI or not is important.

So, although I can’t recommend paying for AI detection, having a free resource is absolutely awesome.

AI Detector Frequently Asked Questions (FAQs)

Q: What makes these AI detectors stand out?

A: These tools are distinguished by their accuracy, speed, and user-friendly interfaces. They offer unique features like combining multiple AI detectors and providing enhanced functions for different languages.

Q: Are these tools suitable for all types of content?

A: Yes, these AI detectors are versatile and can be used for a wide range of content, including academic papers, web content, and professional documents.

Q: Is there a cost associated with these detectors?

A: Undetectable.AI is completely free, while Copyleaks and Crossplag may require payment for full access to their features.

Q: Can these tools detect all forms of AI-generated content?

A: While these tools are highly effective, no AI detector can guarantee 100% accuracy in detecting all forms of AI-generated content. However, they are continually improving and offer the best available detection capabilities.


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