Two separate terms here, pickling is a serialization method for Python objects (unrelated to AI per se). Read more here: https://docs.python.org/3/library/pick

Two separate terms here, pickling is a serialization method for Python objects (unrelated to AI per se). Read more here: https://docs.python.org/3/library/pickle.html https://docs.python.org/3/library/pickle.html Then "weights" is just referring to a model's weights, a specific instance of a python object that can be pickled.