How does gta online handle player customization compared to the story mode?

The only verified information available comes from the Wikipedia entry for Grand Theft Auto V, which focuses on the game's development, setting, and single‑player narrative. It describes the open world of San Andreas, the three protagonists, and their heists, but it does not mention the customization options available to players in either the single‑player or online modes. Because no evidence from the source addresses how customization differs between GTA Online and the story mode, we cannot provide a comparison based on verified facts.