SITUATION EXPLAINED: Why does every serious company need open weights now? We asked @DanielleFong, founder of LightCell Energy: "I was working with Fable on a giant live real-time radiative sim. Fable was helping with this quite a lot and then was not available right at the point where we had really settled the physics. I had to spend $5,000 worth of API spend in order to make the talk happen." "If I have a capability that these models have developed to harness and then the model goes away,…