The two are not really comparable since you get different results (JSONObjects are not strongly typed). You will easily be able to find workloads where one is

The two are not really comparable since you get different results (JSONObjects are not strongly typed). You will easily be able to find workloads where one is better than the other, but in the average case, ig-json-parser will probably be faster because it's based on Jackson. (see json/jackson/manual vs json/org.json/manual on https://github.com/eishay/jvm-serializers/wiki https://github.com/eishay/jvm-serializers/wiki)