The trumpet is a more physically demanding instrument to play than the flute. It requires more breath control, embouchure strength, and finger dexterity. The trumpet is also a louder instrument, which can make it more difficult to control.
Flute
The flute is a more delicate instrument to play than the trumpet. It requires a gentle touch and a good ear for pitch. The flute is also a quieter instrument, which can make it more difficult to hear in a large ensemble.
Overall, the trumpet is harder to play than the flute. However, both instruments are capable of producing beautiful music, and the best instrument for a particular person depends on their individual skills and preferences.