If we are talking specifically about which vaccines were the first to get approved see here:
https://www.nature.com/articles/d41586-020-03441-8
Prices here: https://www.google.com/amp/s/www.statista.com/chart/amp/2365...
I don't have any interest in promoting a specific vaccine. Just disdain for skewed reporting. FYI there are multiple adenovirus-based vaccines available (Oxford/AstraZeneca, Sputnik V).