CFOs should match models to workloads, using managed systems for complex, high-risk tasks and open-weight models for stable, high-volume processes. The relevant question is not whether open-weight AI will defeat proprietary AI. It is whether the savings, flexibility and control offered by open models are sufficient to justify assuming more responsibility for the infrastructure beneath them. Meta and Nvidia have made open models central to their strategies. For all PYMNTS AI and digital transformation coverage, subscribe to the daily AI and Digital Transformation Newsletters.