If you

a) can get feedback about how good the code entered was, and can use the users code in followup generation.

b) have deep enough pockets to sustain giving this for 'free' to plenty of people for a while.

c) are willing to be focused enough to make sure this LLM only touches code.

Once your product is good enough and enough people rely on it for productivity you can basically name your price to any business. The key is how deep their pockets are and how big a risk they want to make.