First, make sure you install pip. ChatGDB also requires a python version of 3.3 or above. To install, run the command pip3 install chatgdb. It will create an executable called chatgdb that you will have to use to set your api key. To do that, run the command chatgdb -k <API KEY> You can set the model to use. There are two possible options, gpt-3.5-turbo and gpt-4(defaulting to the former): chatgdb