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GPTZero uses qualities it terms perplexity and burstiness to attempt determining if a passage was written by a AI. [14] According to the company, perplexity is how random the text in the sentence is, and whether the way the sentence is constructed is unusual or "surprising" for the application.
Multiple AI detection tools have been demonstrated to be unreliable in terms of accurately and comprehensively detecting AI-generated text. In a study conducted by Weber-Wulff et al., and published in 2023, researchers evaluated 14 detection tools including Turnitin and GPT Zero, and found that "all scored below 80% of accuracy and only 5 over 70%."
Generative pretraining (GP) was a long-established concept in machine learning applications. [16] [17] It was originally used as a form of semi-supervised learning, as the model is trained first on an unlabelled dataset (pretraining step) by learning to generate datapoints in the dataset, and then it is trained to classify a labelled dataset.
TO PROPERLY TELL this story, I should note that I have zero experience with ChatGPT, or any other AI chatbot. All I know about generative AI is this: You can ask it to do anything, and it'll ...
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One of the earliest districts to ban the tool was the Los Angeles Unified School District, which blocked access to the tool less than a month after its official release. [39] The New York City Department of Education reportedly blocked access to ChatGPT in December 2022 [ 40 ] and officially announced a ban around January 4, 2023.
On July 25, 2024, SearchGPT was first introduced as a prototype in a limited release to 10,000 test users. [3] This search feature positioned OpenAI as a direct competitor to major search engines, notably Google, Perplexity AI and Bing.
ChatGPT is a generative artificial intelligence chatbot [2] [3] developed by OpenAI and launched in 2022. It is currently based on the GPT-4o large language model (LLM). ChatGPT can generate human-like conversational responses and enables users to refine and steer a conversation towards a desired length, format, style, level of detail, and language. [4]