vs
QUICK ANSWER
"I am fine" is a form of "I am fine", a phrase which is often translated as "estoy bien". "Thank you" is a phrase which is often translated as "gracias". Learn more about the difference between "thank you" and "I am fine" below.
I am fine(
ay
ahm
fayn
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)