Parsing

name \ size	128b	1kb	128kb	1mb	32mb
tethys-jackson	1442640.742	160561.914	1342.185	160.448	3.014
pure-jackson	1189799.594	212591.263	1721.623	184.572	3.733
circe-jawn	866471.554	112596.096	945.419	124.767	1.523
circe-jackson	348613.16	48776.933	363.005	39.485	0.872
play-json	534060.4	64804.735	499.574	43.91	0.927
spray-json	971689.213	121363.845	1028.76	123.771	2.188
zio-json	2001448.661	255068.591	2001.826	237.499	3.439

Writing

name \ size	128b	1kb	128kb	1mb	32mb
tethys-jackson	1819887.866	403267.403	3265.018	300.502	11.786
pure-jackson	1109155.693	427421.925	3096.09	392.062	10.441
circe	1348593.267	177497.011	1255.093	157.518	2.706
play-json	327191.603	47736.655	360.734	49.417	1.064
spray-json	1172370.195	148580.554	1053.782	142.164	3.425
zio-json	2191564.981	266636.44	2092.48	239.598	7.347