"Synch rate" is roughly "you know how to manipulate the model to get it to do precisely what you want". This is nonobvious even for open-weights models and can

"Synch rate" is roughly "you know how to manipulate the model to get it to do precisely what you want". This is nonobvious even for open-weights models and can change as new models are published, often under the same name as the old models.