You can try both types of tables: alone against the dealer, or against the dealer and other players. The question is only if it’s advantageous. The blackjack tables with multiple players will not bring you better odds in the long run. However, if you are using some blackjack strategy, the number of players at the table doesn’t make a difference.
https://casinobest.ca/faq/should-i-play-blackjack-alone-or-with-other-players/