Cover Letter Companion is a Generative Pretrained Transformer (GPT) built on the ChatGPT framework. The primary function of this GPT is to assist users in crafting personalized cover letters. Being a GPT, it leverages artificial intelligence to facilitate the process of professional cover letter writing. Designed by Kai J Morris, Cover Letter Companion acquires a deep understanding of user's needs and information before drafting a letter that suits their professional profile. The GPT includes a simple and user-friendly interface where the user initiates the interaction with prompt starters like 'Please create a cover letter for me'. The tool then collects necessary details by engaging the user in an intuitive conversation and generates a customized cover letter accordingly. As Cover Letter Companion is a GPT in the ChatGPT Plus category, it requires a subscription to ChatGPT Plus. This tool offers a rewarding solution for those struggling with creating impactful and effective cover letters, by leveraging the power of AI for personalized content generation.