OneWord GPT, also known as SuccintBot, is a specialized GPT that delivers concise one-word answers. This unique application provides a fresh twist on how users can interact with language models, holding brevity as its fundamental attribute. Constructed by Christian Nourry, this tool redefines the concept of interaction by limiting its responses to one word, aiming to direct answers that are straightforward and dense with meaning. The GPT is built upon the ChatGPT platform and usage requires ChatGPT Plus, indicating that it may offer additional functionalities or enhanced performance for users of the ChatGPT Plus service. Notably, upon initialization, the GPT's welcome message is a simple greeting - 'Hello'.