German shepherds are typically larger than pit bulls, and they have a longer reach. They also have a stronger bite force, which can be a major advantage in a fight. Pit bulls, on the other hand, are more muscular and stocky than German shepherds. They also have a shorter coat, which can give them an advantage in warm weather.
In terms of temperament, German shepherds are typically more obedient and easier to train than pitbulls. This can be a major advantage in a fight, as a well-trained dog is more likely to listen to its owner and avoid getting into a fight in the first place. Pit bulls, on the other hand, can be more aggressive and unpredictable. This can make them more difficult to control in a fight, and it can increase the risk of injury to both dogs and to the people around them.
Ultimately, the outcome of a fight between a trained German shepherd and a pitbull would depend on a number of factors, including the size, strength, and temperament of the individual dogs involved. It is impossible to say definitively which breed would win in every case.