How to Spot AI-Generated Content and Plagiarism?

Hamid Mehmood

03-03-2025

How to Spot AI-Generated Content and Plagiarism?

The rise of AI-generated content has made it easier than ever to produce text quickly. But it has also raised concerns about originality and authenticity. If you want to be a credible content creator, you need to be able to spot AI-written text and plagiarism. Since AI tools are getting smarter, the old ways of finding plagiarism are no longer enough.


Many AI-generated pieces lack a human touch. They often display patterns, repetitive phrases, or unusual sentence structures. Again, it does not matter if plagiarism is done on purpose or by accident. It can hurt the reputation of a business or the integrity of an academic work. You can get original and reliable information if you know how to spot AI or plagiarized text.


Luckily, various techniques and tools can help in this process. You can check to see if content is original by looking at writing styles. Here, we will see the best approaches to spot AI-generated content and plagiarism. So you can be sure that your work stays authentic and reliable.

What Is AI Content Detection?

ai content detection

AI content detection is the process of identifying if a piece of text has been generated by an AI writing tool. The AI tools are becoming advanced eventually. So it is now difficult to differentiate between human-written and AI-generated content. This is especially true in academic, journalistic, and professional settings. 


AI tools look at sentence structures and types of language to see if a text was written by a computer. These detection systems compare a text's writing style to known AI-generated outputs. They evaluate characteristics such as repetitiveness, uniformity, and lack of human-like randomness. 


For example, AI-generated content has a more predictable flow. Also, it lacks the natural variations found in human writing. Some tools can also measure burstiness (changes in sentence length and complexity) and perplexity (how unpredictable a word sequence is). Lower perplexity and burstiness often show AI-generated content.


Further Read: https://ettvi.com/blog/ai-content-strategy


What Is Plagiarism Detection?

what is plagiarism detection

Simply, copying others' content without proper attribution is plagiarism. Plagiarism detection is the process of identifying a piece of content. It checks for originality by looking at a lot of academic papers, websites, and published works. 


Plagiarism checkers use complex algorithms. They look for text patterns that are the same or very similar. These tools check for direct copying or paraphrased content. They also check for translated plagiarism by examining phrase structures and sentence formations. 


In academic writing, plagiarism detection is important for keeping content original. It helps businesses, educators, and content creators prevent copyright violations. Also, it protects intellectual property. People are using AI to help them write. So, it is more important than ever to find both deliberate and accidental plagiarism.

How Can You Spot AI-Generated Content and Plagiarism?

As AI-generated content gets smarter, it gets harder to tell the difference between it and text written by humans. Plagiarism detection also requires advanced techniques. As copied content can be cleverly reworded or paraphrased. 


Here is how you can identify AI-generated content and plagiarism effectively.

Analyze Writing Patterns and Style

AI-generated content often follows a predictable, uniform structure. Sentences tend to be grammatically perfect. But they lack the natural variation, creativity, and subjective opinions. Human writers incorporate these things commonly. AI writing also tends to overuse certain phrases and lack emotional depth. This makes it sound robotic or overly neutral. Here's an example of AI writing patterns in action:

Example: AI Writing a Blog Introduction:

example of text written by ai

Use AI and Plagiarism Detection Tools

AI detection tools can scan text for machine-generated patterns. These tools examine sentence complexity, burstiness, and predictability to determine the use of AI. 


The plagiarism detection tools compare content against vast databases. They find phrases that match the already published material.

Check for Repetitive or Generic Information

AI-generated content often contains repetitive phrases and unnecessary wordiness. Also, these have filler sentences that add little value. It may also present generic facts without deep analysis. The content may be devoid of real-world examples, expert opinions, or personal insights. If a piece of content feels well-structured but oddly impersonal, AI might have written it.

Look for Inconsistent Facts or Fabricated Information

AI models can produce hallucinated facts. Means, information that appears credible but is completely false. Always fact-check claims, statistics, and citations using reliable sources. AI may also create fake references or misattribute sources. This presents a significant concern for content that is generated by AI.

Evaluate the Depth of Critical Thinking

Human writers incorporate critical thinking, unique perspectives, and real-world experience in their content. AI-generated content often lacks deep insights and struggles with abstract reasoning. If an article provides surface-level explanations, it may have been generated by AI.

Examine Sentence Structure and Variability

AI-generated content typically has consistent sentence length and predictable patterns. But human writing varies in rhythm and flow. If a piece reads unnaturally smooth but lacks expressive or creative shifts, it might be AI-generated.

Run a Reverse Search for Plagiarism

To check for plagiarism, run sections of the text through Google search or a dedicated plagiarism checker. If identical or nearly identical text appears anywhere, it is likely plagiarized. Some AI-made content also paraphrases sources. This makes it more difficult to detect without the use of specific tools.

Test for Logical Flow and Coherence

AI often struggles with maintaining logical coherence in long-form writing. Even if individual sentences make sense, paragraphs do not always have smooth transitions. Which can lead to explanations that do not flow well or are repeated. Text that seems to jump from one idea to another without a clear link may have been written by AI.


You can find both AI-generated content and plagiarism if you use both manual review and AI-assisted tools together.

AI Content Detectors vs. Plagiarism Checkers

AI content and plagiarism detectors have different functions. However, they are often used together for originality. AI detectors assess text patterns, structure, and predictability to identify machine-written content. Plagiarism checkers match text against a database of existing content.


Plagiarism checkers scan billions of web pages, academic papers, and published works to find plagiarism. They find near-duplicates and exact matches. They cannot tell if a text is AI-generated.


However, AI detectors analyze predictability, sentence variation, and perplexity to detect machine-generated text. They do not check for external copying.


Plagiarism checkers are accurate. But AI detectors are still developing and can produce false positives and negatives. AI detectors prove authorship, while plagiarism checkers find copied content. Both tools should be used together for best results. 

The Best AI Content and Plagiarism Detection Tools

AI-generated content makes machine-written text and plagiarism detection crucial. Here are some of the best tools for AI content and plagiarism detection:

AI Content Detectors

These are the following AI content detection tools:


  • Originality.AI: It is one of the most advanced AI detectors. It identifies GPT-3, GPT-4, and other AI-generated content with high accuracy (up to 99%). It also includes a built-in plagiarism checker.

  • GPTZero: It was created for educators. It checks for perplexity and burstiness to see if text was written by AI. 

  • Turnitin AI Detector: It is widely used in academia. This tool detects AI-generated text in student submissions with moderate accuracy.

Plagiarism Checkers

Here are some plagiarism checkers:


  • Grammarly: Grammarly has a plagiarism detector that scans billions of sources to identify duplicate content.

  • Copyscape: It is one of the oldest and most trusted tools. Copyscape is excellent for detecting stolen content from websites.

  • Turnitin: It is popular in education. Turnitin compares submissions with its massive academic database to catch plagiarism.

Conclusion

As AI-generated content grows, detecting it alongside plagiarism is essential for authenticity. AI content detectors analyze writing patterns, sentence structures, and predictability. These things are common in machine-generated text. Plagiarism checkers compare content against existing sources to detect duplication. However, no tool is 100% accurate. AI detection tools can sometimes flag human-written content as AI-generated. And plagiarism checkers may miss cleverly paraphrased text.


The best way to make sure that the work is original is to use both AI detectors and plagiarism checkers together. Tools like Originality.AI and GPTZero are excellent for spotting AI-generated text. And Copyscape and Turnitin help identify plagiarism. Content creators can keep the integrity and credibility of their work by using these tools wisely.


As AI continues to evolve, so will detection methods. Staying informed and using the best tools will help digital content remain authentic.

Hamid Mehmood
limkedin

Hamid Mehmood

Faisalabad, Pakistan

Digital Strategy Consultant

Hamid Mahmood, a digital marketing strategist and author of "7-Figure Agency Mindset A-Z," helps agency owners scale operations and boost revenues through targeted campaigns. He's the founder of Software Pro and shares insights on marketing strategies, financial management, and agency growth.

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