When comparing M+ 1m vs Sudo, the Slant community recommends M+ 1m for most people. In the question“What are the best programming fonts?” M+ 1m is ranked 13th while Sudo is ranked 85th. The most important reason people chose M+ 1m is:
M+ M Type-1 (1M) was created to emphasize the balance of natural letterform and high legibility.
Ranked in these QuestionsQuestion Ranking
Pros
Pro High legibility
M+ M Type-1 (1M) was created to emphasize the balance of natural letterform and high legibility.
Pro Permissive free software licence
This is a non-copyleft license that has minimal requirements regarding redistribution of the software.
Pro Five weights from Thin to Bold
The five font weights available are thin, light, regular, medium, and bold.
Pro 17 different character-encodings available
- ISO-8859-1, Latin-1 Western European
- ISO-8859-2, Latin-2 Central European
- ISO-8859-3, Latin-3 South European
- ISO-8859-4, Latin-4 North European
- ISO-8859-5, Latin/Cyrillic
- ISO-8859-7, Latin/Greek
- ISO-8859-8, Latin/Hebrew
- ISO-8859-9, Latin-5 Turkish
- ISO-8859-10, Latin-6 Nordic
- ISO-8859-13, Latin-7 Baltic Rim
- ISO-8859-14, Latin-8 Celtic
- ISO-8859-15, Latin-9 A revision of 8859-1
- ISO-8859-16, Latin-10 South-Eastern European
- T1 Encoding, Default 8-bit encoding in many TeX installations
- Windows-1252, Used by default in the legacy components of MS Windows
- WGL4, Pan-European character set defined by Microsoft
- VISCII, Vietnamese standard character set
Pro Narrow font is great for teaching
M+ 1m allows you to fit much more code on slides yet still have them be highly legible, making it a great choice for teaching.
Pro Works well with Japanese
The widths are half that of the Japanese characters in the font.
Pro Four styles available
Sudo has Regular, Italic, Bold, and Bold Italic styles available.
Pro Works well on Windows
Sudo is hand-hinted for good rendering on Windows.
Pro Good legibility
Different character categories are differentiated by height and alignment. Numbers are a line width smaller than capital letters, so there is no need for a dotted or slashed zero.
Cons
Con Certain pseudo-graphic characters take two spaces
In this font, some pseudo-graphic characters can take up two spaces instead of one.

Con Zero is not slashed or dotted
This makes for difficulty in distinguishing similar looking characters, such as the capital "O".