How is soda different than ponyboy?

Soda and Ponyboy are characters from the book "The Outsiders" by S.E. Hinton. Soda is Ponyboy's older brother, known for his carefree nature and charisma, while Ponyboy is the protagonist who is more introspective and sensitive. Soda is outgoing and popular, while Ponyboy is quieter and more thoughtful.