Amid fierce competition in AI programming tools, the open-source terminal programming assistant Deep Code has garnered significant attention. Its core strength lies in its deep compatibility with the DeepSeek-V4 series models, offering developers who pursue high-quality reasoning and code generation a new option. Since releasing its first version in May this year, Deep Code has undergone continuous iteration, with the current v0.1.31 version now offering mature development assistance capabilities. It supports both VS Code plugins and terminal CLI modes, enabling seamless integration into developers' workflows. As a programming assistant built on an agent architecture, Deep Code emphasizes 'continuous collaboration.' It retains session records by incorporating project context, eliminating the need for developers to re-explain the background each time. This assistant can read files, modify code, and execute commands, making it capable of handling complex development processes. It also supports advanced features such as deep thinking and reasoning intensity control, specifically tailored to the characteristics of the DeepSeek-V4 model to fully leverage its performance advantages. While Deep Code offers the best experience when built around the DeepSeek model, its openness also allows for integration with internally deployed model services compatible with the OpenAI interface. The project has been made publicly available in the open-source community. As AI programming transitions toward an agent-driven development model, Deep Code's emergence lowers the barrier for developers to utilize high-performance reasoning models for handling complex programming tasks.