Playing with words: Comparing the vocabulary and lexical diversity of ChatGPT and humans

Fuente: arXiv
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Auteurs principaux: Reviriego, Pedro, Conde, Javier, Merino-Gómez, Elena, Martínez, Gonzalo, Hernández, José Alberto
Format: Preprint
Publié: 2023
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author Reviriego, Pedro
Conde, Javier
Merino-Gómez, Elena
Martínez, Gonzalo
Hernández, José Alberto
author_facet Reviriego, Pedro
Conde, Javier
Merino-Gómez, Elena
Martínez, Gonzalo
Hernández, José Alberto
contents The introduction of Artificial Intelligence (AI) generative language models such as GPT (Generative Pre-trained Transformer) and tools such as ChatGPT has triggered a revolution that can transform how text is generated. This has many implications, for example, as AI-generated text becomes a significant fraction of the text, would this have an effect on the language capabilities of readers and also on the training of newer AI tools? Would it affect the evolution of languages? Focusing on one specific aspect of the language: words; will the use of tools such as ChatGPT increase or reduce the vocabulary used or the lexical richness? This has implications for words, as those not included in AI-generated content will tend to be less and less popular and may eventually be lost. In this work, we perform an initial comparison of the vocabulary and lexical richness of ChatGPT and humans when performing the same tasks. In more detail, two datasets containing the answers to different types of questions answered by ChatGPT and humans, and a third dataset in which ChatGPT paraphrases sentences and questions are used. The analysis shows that ChatGPT tends to use fewer distinct words and lower lexical richness than humans. These results are very preliminary and additional datasets and ChatGPT configurations have to be evaluated to extract more general conclusions. Therefore, further research is needed to understand how the use of ChatGPT and more broadly generative AI tools will affect the vocabulary and lexical richness in different types of text and languages.
format Preprint
id arxiv_https___arxiv_org_abs_2308_07462
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Playing with words: Comparing the vocabulary and lexical diversity of ChatGPT and humans
Reviriego, Pedro
Conde, Javier
Merino-Gómez, Elena
Martínez, Gonzalo
Hernández, José Alberto
Computation and Language
Artificial Intelligence
The introduction of Artificial Intelligence (AI) generative language models such as GPT (Generative Pre-trained Transformer) and tools such as ChatGPT has triggered a revolution that can transform how text is generated. This has many implications, for example, as AI-generated text becomes a significant fraction of the text, would this have an effect on the language capabilities of readers and also on the training of newer AI tools? Would it affect the evolution of languages? Focusing on one specific aspect of the language: words; will the use of tools such as ChatGPT increase or reduce the vocabulary used or the lexical richness? This has implications for words, as those not included in AI-generated content will tend to be less and less popular and may eventually be lost. In this work, we perform an initial comparison of the vocabulary and lexical richness of ChatGPT and humans when performing the same tasks. In more detail, two datasets containing the answers to different types of questions answered by ChatGPT and humans, and a third dataset in which ChatGPT paraphrases sentences and questions are used. The analysis shows that ChatGPT tends to use fewer distinct words and lower lexical richness than humans. These results are very preliminary and additional datasets and ChatGPT configurations have to be evaluated to extract more general conclusions. Therefore, further research is needed to understand how the use of ChatGPT and more broadly generative AI tools will affect the vocabulary and lexical richness in different types of text and languages.
title Playing with words: Comparing the vocabulary and lexical diversity of ChatGPT and humans
topic Computation and Language
Artificial Intelligence
url https://arxiv.org/abs/2308.07462