This Word Does Not Exist

This Word Does Not Exist is a small web experiment that uses the GPT 2 language model to invent English words. Each page load shows a made up word with a part of speech, a syllable breakdown, a definition and an example sentence, all written by the model. A button generates a new word, and each word has a shareable link. The site also works in the other direction. A visitor can see a word that probably exists paired with an alternative definition written by the model. There is an option to write a word of the visitor's own, and the model then supplies a definition and example for it. The text on the page explains that the words are invented, defined and used by a machine learning algorithm. It is aimed at curious readers, writers, educators and anyone interested in what a language model does with vocabulary rather than at professional workflows. It was created by Thomas Dimson, builds on GPT 2 from the Transformers library, and links to its source code. The site carries a notice that the words are not reviewed and may reflect bias in the training set. The site is free to use with no account and lists no paid plans. A link invites visitors to buy the creator a coffee.