If they hadn't opened the models the llama series would just be a few sub-GPT4 models. Opening the models has created a wealth of development that has built up

If they hadn't opened the models the llama series would just be a few sub-GPT4 models. Opening the models has created a wealth of development that has built upon those models. Alone, it was unlikely they would become a major player in a field that might be massively important. With a large community building upon their base they have a chance to influence the direction of development and possibly prevent a proprietary monopoly in the hands of another company.