When comparing PT Mono vs Microsoft Segoe UI Mono, the Slant community recommends PT Mono for most people. In the question“What are the best programming fonts?” PT Mono is ranked 14th while Microsoft Segoe UI Mono is ranked 45th. The most important reason people chose PT Mono is:
PT Mono uses slashed zeros and a rounded lowercase "L", while all numbers are easily distinguishable.
Specs
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Pros
Pro Clear characters
PT Mono uses slashed zeros and a rounded lowercase "L", while all numbers are easily distinguishable.
Pro Crisp on display
No pixelation on high pixel density displays.
Pro Clearest parentheses/braces/brackets
You will read ({[ something like this with PT Mono smoothly on screen on any size and quality.
Pro Great readability
Segoe UI Mono is a very readable font.
Cons
Con No ligatures
Con Lower t stem is short, too similar to lower c
Preferentially, lower f, i, r, have feet, however fortunately lower l (ell) is tailed.
Con No Greek letters
Con The zero is not slashed
The zero is not slashed, which causes some problems when scanning source code. This is not an issue when the IDE supports coloring (like all major modern IDE's), but still there are instances where this is not the case. A primary example are T4 templates, where Microsoft has not yet provided coloring support.