12 Best AI Detection Tools: FREE + PAID [2024]

AI Content Detection Tools - Free + Paid

Can you tell if a human or an AI wrote what you are reading? Probably not! And you’re not alone. AI content writers are so convincing now that it’s hard to tell the difference.

This confusion affects readers, writers, and businesses, who all want to know, ‘ Is this content authentic and original?

Luckily, there are clever software tools called AI detectors that can help. Here is our list of must-have tools for detecting AI in text and images.

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AI Content Detectors Shortlist

For those in a hurry, here is a quick snapshot:

I Tested 25+ AI-Content Detectors… Here’s What I Found!

Hi! I’ve tested the best AI detection tools. My thoughts? Results vary; some tools are more accurate than others, and Originality AI is the best-paid AI detector overall 🫑

Top AI Detection Tools

1. Originality AI

originality ai content scan

Originality AI is a web-based AI detector tool that also checks for plagiarism. Its user-friendly interface and high accuracy (99%) make it a standout choice for content creators, editors, and digital marketers.

Pros and Cons:

  • High accuracy
  • Good customer support
  • User-friendly interface
  • Scan entire site
  • Google Chrome extension
  • Pay As You Go option
  • Some false positives

Price: $14.95 per month or $149.40 annually.
Free Trial: Yes, 50 free credits if you install and use the Chrome extension.

2. Winston AI

ChatGPT scan result on Winston AI

Winston AI is designed for writers, educators, and web publishers. It excels at spotting content created by generative AI tools and supports multiple file formats.

Pros and Cons:

  • 99% accuracy rate
  • Supports multiple file types
  • OCR technology
  • AI prediction map
  • Product Pro 5
  • Limited language support

Price: From $18/month or $144 annually.
Free Plan: Yes – 2000 words limit (7 days).

3. Content at Scale

free ai detector results

Content at Scale can quickly generate complete, SEO-optimized blog articles. It integrates with Copyscape for plagiarism detection and supports over 100 languages.

Pros and Cons:

  • SEO-optimized content
  • Integration with Copyscape
  • Supports 100+ languages
  • Easy to use with WordPress
  • Free AI detector (up to 2500 words)
  • User-friendly interface
  • Free AI detector only allows 2500 words

Price: $0.00
Free Trial: No need, it is free! πŸ€‘

4. Copyleaks

Is human text copyleaks results

Copyleaks is an enterprise-grade tool offering AI and plagiarism detection. It also includes an AI source code detector for developers and military-grade security and data protection features.

Pros and Cons:

  • Accurate results
  • Fast detection
  • Multilingual support
  • Chrome extension
  • Easy API integration
  • LMS integration
  • Detects source code plagiarism
  • It can be expensive for large scans

Price: from $9.99/month for 100 credits
Free Trial: 25 credits

5. Writer

Human generated content writer ai

Writer AI is a generative AI platform with a free AI content detector. It integrates with various apps and is easy to use.

Pros and Cons:

  • Simple copy & paste
  • Chrome, Docs, Word, +
  • URL scanning
  • Human Content Score
  • 5000 word limit free tool
  • Product Con 2
  • Product Con 3
  • Product Con 4
  • Product Con 5

Price: Free (max. 5000 words) or $18 per user per month for full product.
Free Trial: The AI detector is free to use πŸ€‘

6. GPTZero

ai scan results gptzero

One of the first AI detection platforms, GPTZero, is free, user-friendly, and popular in educational settings. It offers API integration and does not require sign-up.

Pros and Cons:

  • Free to use
  • API integration
  • Color-coded results in the scan
  • Google Chrome extension
  • Detects all major AI models
  • Free plan has limited features
  • Can produce false positives

Price: From $10/month billed annually.
Free Plan: Yes

7. Contentdetector.org

free ai detector results

Contentdetector.org is a reliable, free tool for detecting plagiarism and AI-generated content. It supports multiple platforms and AI models.

It also has a free AI-to-human text converter, which allows you to make your AI-written text bypass AI content detectors.

Pros and Cons:

  • Free AI detection
  • Copy and paste
  • Most advanced ML models
  • Easy-to-understand results
  • No advanced features

Price: $0.00
Free Trial: No need, it’s free πŸ€‘

8. Hugging Face

open source AI

Hugging Face is an open-source platform with pre-trained AI apps, including an AI content detector. It provides probability-based results for text analysis.

Pros and Cons:

  • Free and Open-source
  • Quick and easy text analysis
  • Custom API integration
  • Can scan PDFs
  • Product Pro 5
  • No plagiarism check
  • Product Con 2
  • Product Con 3
  • Product Con 4
  • Product Con 5

Price: $0.00
Free Trial: Free

9. AI or Not

image scan results dashboard aiornot

AI or Not is a web-based app for detecting AI-generated images and audio. It identifies the software used to create the content and the likelihood of it being created by an AI model.

Pros and Cons:

  • Fast detection of AI content
  • Recognizes specific AI models
  • Bulk scanning features
  • API integration
  • Scan images and audio files
  • Limited to certain AI models
  • 10Mb image limit
  • Statistics only on paid plans

Price: From $5 per month billed annually.
Free Plan: Yes

10. Sapling

negative ai test result from sapling ai

Sapling is primarily a CRM for sales and customer support teams. But it also offers a free web-based AI content detector.

My favorite feature, though, is the CHatGPT AI detector (a Chrome extension), which can detect AI even in your ChatGPT instance. It’s super cool!

Pros and Cons:

  • Provides an overall authenticity score
  • Works with popular enterprise apps
  • 97% accuracy rate
  • User-friendly
  • Chrome extension
  • No plagiarism checker

Price: $0.00
Free Plan: Yes

11. Writesonic AI Content Detector

detection score on writesonic

Designed for ease of use, Writesonic is a fantastic choice for content creators who need a quick and straightforward way to verify that their content sounds human-written. It is an easy-to-use AI content detector that won’t cost you anything.

Pros and Cons:

  • Fast detection results
  • Simple copy & paste interface
  • Several languages supported
  • Overall detection score
  • Only scans up to 1000 words

Price: $0.00
Free Plan: Yes

12. ZeroGPT

scan score on zerogpt

If you want an easy but effective solution for detecting ChatGPT/GPT-4 content, then you can’t go wrong with ZeroGPT.

Simply copy & paste your text into the web interface and within a couple of second you’ll have a result.

I like that it gives you a simple text result as well as a % score and highlights the text it believes may be AI written.

Pros and Cons:

  • Batch file detection
  • AI summarizer
  • AI paraphraser
  • Useful free plan
  • Free version has lots of ads
  • Free version has no PDF report

Price: from $99.48 per year
Free Plan: Yes

How Do AI Content Detectors Work?

AI content detectors analyze text using machine learning and natural language processing. They look for patterns common in AI-written content and use algorithms to predict whether the content is human or AI-generated. As AI technology improves, so do these detectors, becoming better at identifying AI-written content.

Selecting the Right AI Detection Tool

When choosing an AI content detector, consider the following:

  • Content Type: What kind of content are you creating?
  • Language Support: Which languages do you need?
  • Accuracy: How accurate should the tool be?
  • Text and Image Scanning: Do you need to scan text and images?
  • Integrations: What other tools do you need it to work with?

Compare the pros and cons, read user reviews, and look for free trials to find the best tool for your needs.

Best AI Detection Tools Summary

We’ve reviewed the best AI content detection tools available. Remember to consider features, accuracy, support, automation, and compatibility with your workflow. With the right tool, you can confidently publish content, knowing it’s authentic and plagiarism-free.

Thank you for reading, and keep creating content! 🫑

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Frequently asked questions about the best AI content detectors.

What is the most accurate AI content detector?

Originality AI, with a 99% accuracy rate, is the most accurate and consistent AI content detector that is widely available.

Is there a way to detect AI-generated content?

Yes, tools like Originality AI can help by analyzing repetitive language, keyword stuffing, and lack of creativity.

Is GPTZero the best AI detector?

GPTZero is one of the best, especially for educational use, with over a million users.

Is Turnitin the best AI detector?

Turnitin is highly respected, and its 98% accuracy rate makes it a reliable AI detection platform, especially for academic purposes.

What is the main purpose of AI content detectors?

To identify AI-generated content, distinguishing it from human-generated writing, images, or audio.

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