The struggle between open source and proprietary software is well understood. But the tensions permeating software circles for decades have shuffled into the artificial intelligence space, in part because no one can agree on what “open source” really means in the context of AI. The New York Times recently published a gushing appraisal of Meta CEO Mark Zuckerberg, noting how his “open source AI” embrace had made him popular once more in Silicon Valley. By most estimations, however, Meta’s Llama-b...