In what way does a Pindaric ode differ from a Horatian ode?

Pindaric Odes, Generic Features

Original impression of the genre (see Cowley, Dennis)

Wild

Originally in Greek

Irregular form, or formless*

Bold metaphors

Full of digressions

Huge, leaping transitions from topic to topic

Impetuous (energetic, driving feel)

Full of allusions or direct references to myths

Long

Although shorter than epic, shares much of the expansive reach through culture of the epic

Public

Declamatory

Often political and/or religious subjects (triumphs of kings)

Often panegyrical, praising the subject