well, in the extreme case, this lets your computer write code in various programming languages for you - and since it offers HTML endpoints, you may access this functionality from a browser or any program that can handle HTTP requests. That way, you may build your own "autonomous agent" - with all components running locally, keeping your data safe and not requiring you to pay OpenAI...
well, just tell it to program a loop or s.th. similar - complexity depends on your request (and the abilities of the model - don't expect ChatGPT performance from a 3B LLM). Since everything is free, you may experiment freely with the tool - a user interface is in the making...
Just for comparison: ChatGPT is told to have 1000B parameters, Google Bard around 137B