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How can I detect if a coworker is sending AI-generated emails?

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🤔 Deloresaurus via Reddit · May 12, 2026
How can I tell with certainty that my coworker is using a chatbot to generate email replies? My company says we should not do it, but I don't know what to provide as proof. Thoughts?
🙂 Boban D. (Psycholinguist) · May 13, 2026
It’s easy to identify who’s using a chatbot to generate replies if you know what to look for. First – you should identify if the person usually communicates like that. If they don’t usually write longer emails or use certain words, there’s a good chance that some sort of influence was involved. Second – formatting is a huge part of it. It takes a lot of time and energy to format lists, add bullet points, bold headings, and so forth. I know a lot of people that write like that naturally, so it's not safe to make rapid assumptions. The third and most important way to tell is counter-intuitive – mistakes. Real people who produce writing usually have some quirks or anomalies unique to them, such as spelling, punctuation, and so forth. Chatbots usually do not make mistakes. Finally, the most precise way to tell if someone is using a chatbot is to consider the Linguistic Fingerprint of the author. One of our partners, LINGA Co., publishes Linguistic Fingerprint profiles of all major chatbots on the web for free, so it's worth checking that too. So, if the person's writing seems different, the formatting is complex, and there are no mistakes, there’s good reason to be suspicious that your coworker is using some sort of writing aid, which may be a chatbot or another person helping them.
Here are some Linguistic Fingerprint™ profiles from the myflp.id website to help determine if content was written by a chatbot instead of a real person.
OpenAI ChatGPT's Linguistic Fingerprint™ and Attribute Matrix from MyLFP ID
OpenAI ChatGPT's Linguistic Fingerprint™ and Attribute Matrix based on writing samples
MyLFP ID Logo MyLFP™ ID · mylfp.id
Microsoft Copilot's Linguistic Fingerprint™ and Attribute Matrix from MyLFP ID
Microsoft Copilot's Linguistic Fingerprint™ and Attribute Matrix based on writing samples
MyLFP ID Logo MyLFP™ ID · mylfp.id
You can notice based on the shape of the Attribute Matrix alone that ChatGPT by OpenAI and Microsoft Copilot are derived from the same large language model. The shape represents the chatbot's unique communication habits, which is why these two are similar while Gemini's and Claude's are different.
Google Gemini's Linguistic Fingerprint™ and Attribute Matrix from MyLFP ID
Google Gemini's Linguistic Fingerprint™ and Attribute Matrix based on writing samples
MyLFP ID Logo MyLFP™ ID · mylfp.id
Anthropic Claude's Linguistic Fingerprint™ and Attribute Matrix from MyLFP ID
Anthropic Claude's Linguistic Fingerprint™ and Attribute Matrix based on writing samples
MyLFP ID Logo MyLFP™ ID · mylfp.id

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