Explore the capabilities of GitHub Copilot Chat, a cutting-edge addition to Copilot X, in this 26-minute video demonstration. Discover how this AI-powered code assistant, built on OpenAI's Codex model and seamlessly integrated into Visual Studio and VS Code, can significantly boost coding productivity. Follow along as Samuel Chan showcases the tool's features and demonstrates its practical applications using the code repository available at https://github.com/onlyphantom/llm-python.