When comparing Operator Mono vs Google Noto, the Slant community recommends Operator Mono for most people. In the question“What are the best programming fonts?” Operator Mono is ranked 39th while Google Noto is ranked 92nd. The most important reason people chose Operator Mono is:
Operator can be used to mix the same font for syntax formatting.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Has a script version
Operator can be used to mix the same font for syntax formatting.
Pro Super readable
Long strings can be read in Operator exceedingly easily. The font just flows nicely, with all the benefits of clarity that provides.
Pro Horizontal width not as wide as other fixed width fonts
You can legibly read everything and get more characters per line.
Pro Adorable italics
Pro Optimized for a large variety of displays
Glyph design on Noto Sans is well designed and accounts for HiDPI and standard displays.
Pro Open-source
Licensed and distributed under the SIL Open Font License.
Pro Retina-ready
Looks very clean and crisp on retina displays.
Pro Simple and yet beautiful
Simple and beautiful - much like the Windows counterparts such as Calibri and Arial but it's native for Linux and for this reason it looks better than these two with anti-aliasing.
Pro Expansive character set
Noto Sans is one of the most comprehensive fonts in the market, covering an estimated 30+ languages backed by Google.
Cons

Con Relatively expensive
At $179, this font is on the more expensive side.
Con Roman style isn’t very appealing
Con Font pack might be too large
Because it is so comprehensive, the TTF/OTF packages in ZIP is really large.
