ChatGPT can be a helpful tool for coders in several ways:

1. Quick Code Snippets: With training on code snippets, ChatGPT can generate new code based on a prompt, saving you time and reducing the chance of mistakes.
2. Finish the Code: ChatGPT can suggest the next line of code for partially written code, speeding up the coding process and reducing errors.
3. Clear Documentation: ChatGPT can be trained on code and documentation and create code comments and documentation, making the code more readable and maintainable.
4. Streamlined Test Cases: ChatGPT can generate new test cases based on a prompt, saving time in writing test cases and making sure the code is thoroughly tested.
5. Problem Solver: ChatGPT can suggest solutions to coding problems when given a specific error message or prompt, after being trained on common bugs and error messages.

It's important to remember that ChatGPT is just a tool and can't replace human coders. You still need to have a solid understanding of programming concepts and specific programming languages, and the ability to understand and evaluate the code generated by the model.