Let's see what SYSTEM
messages are used behind the scenes at ChatGPT, and how they might influence custom instructions. They have been especially useful for me as I work on the ChatGPT AutoExpert custom instructions and supporting package (in the case of the Developer Edition).
Note
I have added whitespace to some prompts to improve readability/formatting (but only where it wouldn't change how ChatGPT would attend to the prompt).
I also updated this page to separate each prompt into their own Markdown file.
All examples are from GPT-4.