Public Sans vs Open Sans

Public Sans is a strict neo-grotesque; Open Sans is a warmer humanist sans. Both are highly legible free workhorses, but they set a different tone.

Type in either row to preview both
The quick brown fox jumps over the lazy dog
The quick brown fox jumps over the lazy dog
How they differ
Which to pick
Public Sans

Public Sans for neutral, systematic interfaces.

Open Sans

Open Sans for a warmer, approachable default.