Option to change the model

[batidiane]

First, thanks for this implementation, very handy.

Is there an easy way to change the model the cli is using? If I understand correctly, it is using GPT3.5.

[transcendr]

lpurdy01 has an open PR for it #85 -- I have been using his fork on the model branch as a docker instance while the main version is installed as well. I set up an alias sgtp4 which uses lpurdy's build in docker, while TheR1D's main version is called via the sgpt command. Let me know if you need further instruction. The details about building and using it from a docker container are in the README. Otherwise, you just have to add an alias definition to your shell rc which runs that docker run command with the --model gpt-4 argument after you build it.

[TheR1D]

Implemented #151