This is true for any company following an open source strategy. You'll have the weights but you'll need to run inference, figure out your system prompt, sampling, quantization, etc etc. Loads of tuning.

elasticsearch the first example that comes to mind. you can run it yourself but elastic gives you so many lessons learned and tunes ootb that it sings with relatively little effort, though still reqiures some.

about a million dbs i could make the same comparison for