This is a few years old - but still very relevant and a good overview of the medication questions that people often have: (Note: Many more of the newer medications are now available as Generics at lower cost - so that part of the article is a little wrong now).
The best review of antipsychotics I’ve ever seen is this list and review from Consumer Reports (its a PDF file with lots of good information):
Evaluating Prescription Drugs Used to Treat Schizophrenia and Bipolar Disorder:
The Antipsychotics - Comparing Effectiveness, Safety, and Price
https://www.consumerreports.org/health/resources/pdf/best-buy-drugs/AntipsychoticsFINAL.pdf