Pythagora, a tool for building applications from scratch using conversational interactions, is a development platform. It allows developers to create full-stack, production-ready web applications without having to write any code. Pythagora is able to develop applications with 3,000-5,000 lines of code. This includes internal tools and production ready apps. The tool speeds up development by allowing applications to be created in hours, instead of days or weeks. Pythagora is a Visual Studio Code Extension powered by the latest large language models including GPT-4 and Claude. It engages with developers to clarify their requirements, writes modular, production-ready code, executes the code with permission from the user, reads terminal outputs for errors, identifies, fixes, and uses version control to track codebase. Pythagora’s core AI system, Pythagora, is open source. It aims to empower the developer community by inspiring the creation of innovative AI tool.