DiffDuo is an AI-powered tool that aims to enhance the way pull requests are viewed and reviewed. By leveraging the power of GPT (Generative Pre-trained Transformer) technology, DiffDuo provides dynamic diff summaries for code changes. These summaries are designed to be concise and clear, enabling developers to understand the essence of pull requests more easily.The tool offers a range of GPT models to choose from, allowing users to customize their PR (pull request) workflow according to their preferences. Users can also opt for classic styles, like the Grizzled Veteran's tales of punch cards and ASCII art, or the PirateCodeMate's guidance through the digital seas.With DiffDuo, code reviews are elevated to a new level of clarity and efficiency. Developers can expect instant comprehension of pull requests, reducing the time spent on lengthy reviews. Additionally, users can enjoy a trial period with their first two pull requests being provided at no cost.