{"id":2191,"date":"2026-10-23T17:57:53","date_gmt":"2026-10-23T08:57:53","guid":{"rendered":"https:\/\/blog.hancom.com\/han-addons-copykiller-plagiarism-ai-check\/"},"modified":"2026-10-23T17:58:56","modified_gmt":"2026-10-23T08:58:56","slug":"han-addons-copykiller-plagiarism-ai-check","status":"publish","type":"post","link":"https:\/\/blog.hancom.com\/en\/han-addons-copykiller-plagiarism-ai-check\/","title":{"rendered":"Review Your Document Before Submission with CopyKiller’s Plagiarism and AI Generation Checks"},"content":{"rendered":"\n

After writing assignments, theses, or reports, you might pause before clicking the submit button.<\/p>\n\n

\u201cDid I forget to cite any sources for the parts I quoted?\u201d\u201cHow should I verify sections where generative AI was used?\u201d<\/p>\n\n

To enhance document completeness, it’s essential to check not only for spelling and phrasing but also to ensure there are no instances of plagiarism due to missing citations or sections suspected of being written by generative AI<\/strong>.<\/p>\n\n

CopyKiller allows you to verify both of these aspects through its Plagiarism Check and AI Generation Check<\/strong>.<\/p>\n\n

Now, after creating a document in Hancom Office HWP, you no longer need to visit a separate website; you can use CopyKiller directly through Hancom Addons.<\/strong><\/p>\n\n

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Plagiarism Check vs. AI Generation Check: What’s the Difference?<\/strong><\/h2>\n\n
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\"Screen<\/figure>\n\n

(Source: CopyKiller Official Manual)<\/p>\n\n

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While Plagiarism Check and AI Generation Check may seem similar, they serve different purposes.<\/p>\n\n

The Plagiarism Check<\/strong> compares your document against CopyKiller’s comparison data to identify identical sentences from other sources and their origins<\/strong>.<\/p>\n\n

CopyKiller compares documents based on over 10 billion data points, utilizing a comparison database that includes domestic theses and academic materials. The check results show the plagiarism rate along with the sources. <\/p>\n\n

Conversely, the AI Generation Check<\/strong> analyzes the document’s text to identify sentence areas highly likely to have been written by generative AI, such as ChatGPT, Gemini, or Claude<\/strong>.<\/p>\n\n

Therefore, the roles of the two checks are clearly distinct.<\/p>\n\n

Category<\/strong><\/td>Plagiarism Check<\/strong><\/td>AI Generation Check<\/strong><\/td><\/tr>
Primary Purpose<\/td>Verifies plagiarism against other sources<\/td>Verifies potential AI authorship<\/td><\/tr>
Key Results<\/td>Plagiarism rate, plagiarized sentences, comparison sources<\/td>Sentence areas with high probability of AI authorship<\/td><\/tr>
How to Use<\/td>Review citations, sources, and plagiarized expressions<\/td>Identify and review suspected AI-generated areas<\/td><\/tr><\/tbody><\/table><\/figure>\n\n

It is easy to understand that Plagiarism Check and AI Generation Check are tools that examine documents from different perspectives<\/strong>.<\/p>\n\n

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If You’ve Used Generative AI, Double-Check with the AI Generation Check<\/strong><\/h2>\n\n
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As generative AI tools like ChatGPT, Gemini, and Claude are increasingly used in writing, criteria for AI usage in assignments and theses are becoming more important.<\/p>\n\n

CopyKiller’s AI Generation Check<\/strong> allows you to identify areas in your document that are highly likely to have been written by generative AI.<\/p>\n\n

If a specific sentence is flagged as a suspected AI-generated area in the check results, rather than judging the document solely on that result, it is necessary to review which sentences were flagged as suspicious.<\/strong><\/p>\n\n

It is especially advisable to review these results in conjunction with any specific generative AI usage guidelines set by your school or institution.<\/p>\n\n

The AI Generation Check provides reference information<\/strong> to identify areas with a high probability of AI authorship, and it is not appropriate to use the check results alone to definitively determine the use of a specific AI. <\/p>\n\n

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Now, Check Your Documents with CopyKiller While Writing in HWP<\/strong><\/h2>\n\n
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Previously, after writing a document in HWP, you had to access the CopyKiller website, upload the document, and run the check. Now, you can use CopyKiller within your document creation workflow in HWP via Hancom Addons – CopyKiller.<\/strong> <\/p>\n\n

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This feature is supported in Hancom Office 2024 HWP version 13.0.0.3379 or higher. The installation steps are as follows:<\/p>\n\n\n\n