Originality.ai Vs Contentscale.ai Vs Scribbr.com | Paid AI Detector Vs Free Detector

7 Nov 202319:05

TLDRIn this video, the host compares different AI detection tools, including Originality.ai, ContentScale.ai, and a free tool called Scribbr.com. The discussion revolves around the importance of detecting AI-generated content, especially for freelancers and SEO professionals. The host tests these tools on various articles, including AI-generated ones and human-written ones, to see which can accurately identify the source. Originality.ai stands out for its accuracy and affordability, while ContentScale.ai, despite its high subscription cost, fails to detect sophisticated AI content. The video concludes that while AI content is improving, tools like Originality.ai are essential for ensuring the authenticity of written work.


  • 😀 The video discusses the importance of AI detection tools for freelancers and employers to verify the originality of content.
  • 🔍 The presenter has a paid account with Originality.ai and will be testing it alongside other AI detectors.
  • 💰 There is a comparison between paid and free AI detectors, with a focus on their effectiveness and pricing.
  • 📝 The content tested includes generic AI articles, a well-researched Chat GPT 4 article, and human-written articles.
  • 🎯 Originality.ai is highlighted as the presenter's personal favorite for AI detection, offering a balance of accuracy and affordability.
  • 🚫 Free AI detector, Scribbr.com, has limitations such as a word count restriction and did not successfully detect AI content in all tests.
  • 🤖 ContentScale.ai, despite boasting a 98% accuracy rate, failed to consistently identify AI-generated content in the tests.
  • 📉 Originality.ai performed well, correctly identifying AI content and human-written content with high accuracy.
  • 📊 The video suggests that AI detection tools are essential for ensuring the quality and originality of content, especially in SEO and content creation.
  • 🔑 Google is mentioned as being superior at detecting AI content, suggesting that AI detection is an evolving field with room for improvement.
  • 💡 The presenter recommends Originality.ai for its strict standards on human content and its array of additional tools beyond AI detection.

Q & A

  • What is the main topic of discussion in the transcript?

    -The main topic of discussion is the comparison of various AI detection tools, including both paid and free options, to determine their effectiveness in identifying AI-generated content.

  • Why is it important to detect AI-generated content?

    -It is important to detect AI-generated content because it can be crucial for freelancers, employers, and SEO professionals to ensure the content they are using or providing is original and not generated by AI, which may not meet quality or authenticity standards.

  • What are the two AI detection tools mentioned as being tested in the transcript?

    -The two AI detection tools mentioned are Originality.ai and ContentScale.ai.

  • What is the accuracy rate boasted by ContentScale.ai?

    -ContentScale.ai boasts a 98% accuracy rate in detecting AI-generated content.

  • How does the free AI detector called Scribbr perform in detecting AI content?

    -The free AI detector Scribbr successfully detected the AI-generated Chat GPT 3 article but failed to accurately identify the more sophisticated Chat GPT 4 article as AI-generated content.

  • What is the author's personal recommendation for an AI detection tool?

    -The author's personal recommendation for an AI detection tool is Originality.ai, which they found to be more accurate and affordable compared to others.

  • What is the significance of the author's test involving pure AI content websites?

    -The author is conducting a long-term project to see how pure AI content websites rank over time. This test aims to provide insights into whether AI content is detrimental to search engine rankings and to contribute to the ongoing debate about the value of AI-generated content.

  • Why might an employer or SEO professional be interested in using an AI detector?

    -Employers and SEO professionals might be interested in using an AI detector to verify the authenticity and originality of the content provided by writers. This ensures that the content meets quality standards and adheres to guidelines, such as those set by Google.

  • What is the author's opinion on the effectiveness of rephrasing tools like Quillbot in fooling AI detectors?

    -The author suggests that rephrasing tools like Quillbot can sometimes successfully alter AI-generated content to appear more human-like and potentially fool some AI detectors, but not all.

  • How does the author evaluate the performance of AI detection tools?

    -The author evaluates the performance of AI detection tools by testing them on various articles, including clearly AI-generated content, well-researched AI content, and human-written articles, to see how accurately they can identify the source of the content.

  • What is the author's advice for those who are not concerned about the possibility of AI content on their site?

    -For those who are not concerned about the possibility of AI content on their site, the author suggests that using free AI checkers might not be necessary and they could simply accept the work if it appears satisfactory.

  • What is the author's view on the evolution of AI and its impact on content detection?

    -The author acknowledges that AI is continuously evolving and becoming smarter, which implies that AI detection tools also need to improve and adapt to effectively detect increasingly sophisticated AI-generated content.



🤖 Introduction to AI Detection Tools

The video discusses the importance of AI detection, especially for freelancers and employers who need to verify the originality of content provided by writers. The speaker shares their experience with both free and paid AI detection tools, mentioning Originality as a favored platform despite not being sponsored. The content to be tested includes various AI-generated articles and human-written pieces to compare the effectiveness of different detection tools.


🔍 Testing AI Detectors' Accuracy

The speaker evaluates several AI detection tools, including ContentScale and Originality, by testing them on AI-generated and human-written articles. ContentScale, despite claiming a 98% accuracy rate, fails to accurately detect AI content in some cases. Originality, on the other hand, shows a higher accuracy rate, although it does not fool the AI detection for a well-thought-out AI article. The speaker also touches on the use of paraphrasing tools to attempt to bypass AI detection.


📝 Analyzing the Performance of AI Detectors

The video continues with the speaker analyzing the results from the AI detectors. Originality consistently identifies AI content with high accuracy, while ContentScale struggles with some of the tests. The speaker's own writing is also put to the test, with Originality scoring it slightly on the AI side, suggesting the writer may need to refine their style to appear more human-like. The speaker emphasizes that no tool is perfect, but Originality stands out for its strictness and affordability.


🌟 Conclusion on AI Detection

In conclusion, the speaker suggests that while free AI detection tools may be useful for a basic check, they are not as reliable as paid options like Originality. They highlight that Google's ability to detect AI content is superior to these tools and recommend using a robust AI detection tool for those who are committed to ensuring human-written content. The speaker also mentions their ongoing experiment with AI content websites to determine the long-term impact on search rankings, and they advise on the importance of choosing the right AI detection plan.



💡AI Detector

An AI Detector is a software tool designed to analyze written content and determine whether it was generated by a human or an artificial intelligence program. In the video, the importance of using an AI Detector is emphasized, especially for freelancers and employers who want to ensure the originality and authenticity of the content they receive or publish.

💡Free AI Detector

A Free AI Detector refers to software that offers AI detection services without charging a fee. These tools often have limitations, such as a word or character limit per use. The video discusses the use of a free AI Detector called Scribbr.com and compares its effectiveness with paid alternatives.

💡Paid AI Detector

A Paid AI Detector is a subscription-based service that provides AI detection with potentially more features, higher accuracy, and fewer usage limitations compared to free tools. The video mentions Originality.ai and ContentScale as examples and evaluates their performance in detecting AI-generated content.

💡Content Silo

A Content Silo is a themed collection of content on a website that is organized in a hierarchical structure. It's used for SEO purposes to help search engines understand the website's content and theme. In the context of the video, a Content Silo might be created with the help of AI-generated content, which the speaker wants to verify for authenticity.

💡Chat GPT 3 and Chat GPT 4

Chat GPT 3 and Chat GPT 4 refer to different versions of an AI language model developed by OpenAI. These models are capable of generating human-like text. The video uses articles generated by these models to test the effectiveness of various AI Detectors.

💡Human Written Article

A Human Written Article is content that has been authored by a person, as opposed to being generated by an AI. The video includes tests of AI Detectors using human-written articles to see if they can be accurately identified as non-AI content.


SEO stands for Search Engine Optimization, which is the process of improving a website's ranking in search engine results to increase its visibility. The video discusses the use of AI Detectors in the context of SEO, where the authenticity and originality of content are crucial for maintaining good search rankings.

💡Google Guidelines

Google Guidelines refer to the recommended practices and rules set by Google for creating and optimizing content on the web. The video mentions that the AI-generated content follows these guidelines to ensure it does not offend Google's algorithms.


Quillbot is a paraphrasing tool that can be used to reword content, which some people use to try to 'humanize' AI-generated text and fool AI Detectors. The video mentions Quillbot in the context of attempting to alter AI content to make it appear as though it was written by a human.

💡AI Content

AI Content refers to any material, such as articles or blog posts, that have been generated by an AI program rather than written by a human. The video is centered around the detection of AI Content and the effectiveness of various tools in distinguishing it from human-written content.


Originality, in the context of the video, refers to the extent to which content is unique and not copied or generated by AI. It is also the name of an AI Detector tool that the speaker uses and recommends for its strict standards in identifying human-written content.


Comparing Originality.ai, Contentscale.ai, and Scribbr.com AI detection tools.

Importance of AI detection for freelancers and employers to ensure content authenticity.

The presenter has a paid account with Originality but assures unbiased testing.

Testing AI detection tools on generic chat GPT 3 and GPT 4 articles.

Presenter's AI website used as a testbed for AI detection accuracy.

Free AI detector Scribbr successfully identifies 100% AI content.

Content Scale, a popular AI detector, claims 98% accuracy but shows uncertainty in testing.

Originality incorrectly identifies a well-thought-out AI article as 100% AI.

Content Scale fails to detect AI in a sophisticated GPT 4 article.

Originality shows a 67% AI score for the same article, indicating AI content.

Both Scribbr and Content Scale are fooled by the advanced AI article.

Originality's strict criteria for human content, scoring a human article with 1% AI suspicion.

Content Scale and Originality both pass a human-written article as human.

Presenter's own article is flagged with 2% AI suspicion by Originality.

Discussion on Google's superior ability to detect AI content compared to the tested tools.

Recommendation to use a reliable AI detection tool for ensuring human content on websites.

Originality is highlighted as the presenter's favorite and most effective tool.

Comparison of Originality with Copyleaks, suggesting Originality is stricter on human content.

Final verdict on which AI detection tool came out on top and advice for an AI detection plan.