Finally! I hope I'm not too late, because this has been bothering me for years.
It's the exact same bread. Same ingredients, same taste, same size slices, everything. The only differences are:
The "Large" is longer (more slices).
The "Large" is less expensive.
This is the case in every grocery store I've seen in Houston: Kroger, Randall's, Target, even Wal-Mart. The small bread is always more expensive and has been for years.
There is no conceivable reason anyone should be buying the small bread here. Even if you kept your bread in an oddly short bread basket, it would be cheaper to just buy the large loaf and throw out a few slices.
And don't say it's something about scale. That doesn't add up. If it was cheaper to produce the large loafs, then they'd stop producing the small loaves. It's the exact same bread.
The. Exact. Same. Bread.
Help me, reddit.