A Princeton student develops a tool to detect ChatGPT usage in Text | technology

When Edward Tian, ​​an undergraduate student at Princeton University, New Jersey, USA, returned for Christmas holidays, ChatGPT already had a monopoly on conversations and discussions around the world. OpenAI, a company that does research using artificial intelligence (AI), launched ChatGPT on November 30, a chatbot or computer program with which you can have a conversation and is already part of daily life for many who have been able to try it. . (when it doesn’t fall apart due to overwhelming demand). Among the controversies that arose with this launch, one that refers to the fact that students can write essays or even a work of fiction just by suggesting a topic to the program or by asking some questions is one of the most commented on.

Using ChatGPT’s own architecture, Tian built GPTZero during his days off, a tool that allows detecting whether text was generated using artificial intelligence, as mentioned in the post. new world. In some of the tests done, the accuracy of the model is as high as 98%. “We had over 35,000 teachers on hold while we were working on a version specifically for teachers.” This version was released on February 14, but until then, it had a free trial (meaning you don’t need to register to try it), which is still available today.

In this beta, you can check out how the tool evaluates the likelihood of AI-generated text and how that probability varies throughout the text, because what someone produces contains parts that can appear to be AI-generated and otherwise. What AI generates is more stable.

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Edward Tian’s motivation for developing his ChatGPT counterpart stemmed, he says, from the fact that “these technologies are very innovative, but when you release them into the world there’s a lot of potential for misuse, so you have to build defenses at the same time, not months or years later,” he says. : “I didn’t expect it to go viral at all.” In fact, the website he used to host GPTZero soon provided him with free resources, after it became the most popular app on the platform.

When she visited her old high school on Christmas, Tian’s English teacher quoted her perception that all students use ChatGPT. That’s why, and because of the feedback he’s received, he knows his tool has become a relief for educators: “Many say it’s comforting to know GPTZero exists. Even if they don’t use it, they find it reassuring to know it exists.”

digital plagiarism

Cristobal Fernández Muñoz, Vice Dean of Communications and Institutional Relations at the Faculty of Information Sciences of the Complutense University of Madrid, explains that in the academic field they are closely following what is happening with ChatGPT: “Plagiarism due to artificial intelligence is something particularly worrisome in areas such as education, where originality is valued Irreplaceable “.

At Complutense University, for example, they have been using a plagiarism detection software called Turnitin for years, which is integrated into the virtual campus and which students can use even when submitting research papers, so they can see the percentage of possible plagiarism and suspicious fragments. “GPTZero is a very interesting project, and we will definitely see more along the same lines, like Turnitin, which in 2023 will include more AI typing detection features, including those that recognize using ChatGPT,” notes the professor.

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When Edward Tian asked about the reactions he had encountered from other students, he said that he hoped they were not angry, and emphasized that he did not expect that as a result of his tool, the matter would become a battle between teachers against students. “Actually, I belong to the student team. I personally use ChatGPT in my coding classes and believe that students should access and use these technologies because it is our future. I think GPTZero is moving away from black and white, and is a conversation starter tool between students and teachers.” Its goal is for these technologies to be used responsibly and not as a secret weapon, neither by the student nor by the teacher.

“In the educational field, it would not be strange for alternative tests to avoid automatically generated texts proliferate, such as those taken in real time with devices lacking this technology or oral and hand-written face-to-face tests. However, this does not mean that we are against the use of these technologies. In some cases, there is room for them if they are always used ethically. As long as it is used responsibly, AI has the potential to support and improve the learning process,” insists Cristóbal Fernández.

ChatGPT’s developer, OpenAI, also released a tool at the end of January to indicate whether a text was written by an AI, but in this case, what it does is classify the possibility as unlikely, improbable, possible, or probable. The company itself admits that it is “not entirely reliable”. In tests conducted by the company, the tool found that texts were written by AI in 26% of cases, while in 9% of cases texts written by people were described as generated by AI. However, he insists, the longer the writing, the better the mechanism.

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OpenAI has already started work on a watermark that will help identify texts that have been produced by ChatGPT, but according to cryptocurrency experts, even if it takes off, someone will be out there finding alternatives. Moreover, GPTZero and similar models that emerge can only continue to function if OpenAI continues to provide free access to their AI models. In fact, at the moment, the Tian tool works with an earlier version of ChatGPT, so some experts warn that if the OpenAI model were updated to make it something else, it could produce inaccurate results.

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