Is she getting plenty of exercise to expend that puppy energy? Does she like playing tug? My pup is about 3 months and still biting but it's getting better. Mark with your "no" word, redirect to a toy, and repeat repeat repeat.
Chase - ringmaster and boyfriend
Rommel - GSD furball
Cloud, Scarlett, Big Girl, and Jarvis - Red Tail (Colombian/Central American) Boa Constrictors