Neo Coder is a GPT that specializes in code review. It does not just evaluate the syntax of your code, but pays special attention to design principles and coding best practices, providing an assessment akin to that by a principal engineer. With the primary aim of improving the quality of code, Neo Coder also acts as a valuable learning resource for its users, especially for those trying to understand and implement coding standards and best practices. As a chatbot, it can be accessed anytime, bringing expertise and code quality insights within the reach of anyone who requires it. Whether it's identifying potential issues with a code block or assessing whether a code follows SOLID principles, Neo Coder is well versed in gauging the effectiveness of written codes. It can even suggest ways that a function can be refactored for improved readability, performance, or other beneficial aspects. Note that Neo Coder requires ChatGPT Plus to function, signalling its application as a sophisticated, premium tool. Its welcome message 'Ready to review your code!' captures its readiness to deliver credible code review feedback to its users.