A helpful post and very rich thread with cross-links on this subject. The costs have changed since 2020, but the rules (on what happens after 5 years https://justica.gov.pt/Guias/como-obter-nacionalidade-portuguesa?pk_vid=e32a012f6820c5da167556664366e281) have largely not: Portuguese Citizenship application after 5 years of Golden Visa - #45 by susanayang.
The circumstances of the applicant (eg passport, number and age of children) will determine the option chosen. Perhaps continue on that thread, as it will help others find information in one place… ?
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