GPTAgent, now known as Julius, is an AI tool designed to assist users in analyzing data and files efficiently. With Julius, users can easily work with structured data by asking questions and letting the AI perform the analysis. The tool enables users to generate visually appealing visualizations such as graphs and charts with just a prompt, saving time and effort. Additionally, Julius provides quick answers to data queries, unlocking capabilities for statistical modeling including linear regression, forecasting, and machine-learning model training. By using Julius, users can streamline their data analysis processes, turning hours of work in tools like Excel into mere minutes.