Zyprexa is used to treat Autism. The generic version is called Olanzapine. The average Zyprexa cash price is about $365.88 for a supply of Tablet 2.5 MG 30 pcs. You can reduce your Zyprexa cost by up to 75% with our free Zyprexa discount card. Bring it to a participating pharmacy near you to save on your prescription medication.