zodvsajv

Winner: zod

zod is the safest overall pick in this comparison

zod68/100

ajv55/100

Measured evidence

Health scores: zod: 68/100, ajv: 55/100.
Releases in the last 90 days: zod: 0, ajv: 0.
Known vulnerabilities: zod: 0, ajv: 0.
OpenSSF scores: zod: 5.1/10, ajv: 5.4/10.

Caveats

The score favors zod, but ecosystem fit and API ergonomics can still outweigh the measured gap.

Package details

Risk signals

Measured metrics — each value links to its source.

Signal	zod	ajv
Release cadence	0 releases in last 90 days	0 releases in last 90 days
Last release	74 days ago	84 days ago
Open issues	107 open issues	282 open issues
Bus factor	top contributor makes 73.03% of commits	top contributor makes 86.77% of commits
OpenSSF score	5.1/10	5.4/10
Vulnerabilities	0 known vulnerabilities	0 known vulnerabilities
Types	ships TypeScript types	ships TypeScript types

Weekly npm downloads

Daily downloads aggregated to weekly sums (last 5 years).

zodajv

View as table

Week	zod	ajv
2026-07-13	117,038,063	176,608,393
2026-07-06	205,184,407	250,995,472
2026-06-29	211,601,986	315,170,083
2026-06-22	209,687,743	321,843,432
2026-06-15	206,426,474	331,610,234
2026-06-08	194,821,686	320,754,224
2026-06-01	157,088,925	253,871,369
2026-05-25	179,575,332	290,096,050
2026-05-18	182,458,361	307,391,476
2026-05-11	144,292,770	305,597,714
2026-05-04	165,108,492	293,029,853
2026-04-27	161,634,416	290,670,363
2026-04-20	161,022,060	278,776,183
2026-04-13	158,866,859	267,411,201
2026-04-06	144,672,715	249,009,348
2026-03-30	139,023,184	249,495,279
2026-03-23	146,357,193	268,086,643
2026-03-16	126,521,655	280,924,123
2026-03-09	110,367,419	263,127,403
2026-03-02	106,750,412	259,851,034
2026-02-23	102,090,622	242,466,936
2026-02-16	90,883,480	209,246,745
2026-02-09	86,699,144	208,433,494
2026-02-02	91,346,628	231,192,497
2026-01-26	84,021,090	209,548,851
2026-01-19	84,769,953	203,017,838
2026-01-12	83,291,855	202,496,654
2026-01-05	67,068,821	171,201,570
2025-12-29	44,427,287	103,612,499
2025-12-22	41,592,150	99,708,608
2025-12-15	64,487,431	164,811,145
2025-12-08	64,654,339	172,448,832
2025-12-01	64,544,484	177,422,177
2025-11-24	59,295,509	167,226,616
2025-11-17	61,009,430	170,083,478
2025-11-10	55,101,454	161,385,476
2025-11-03	54,470,227	160,679,222
2025-10-27	53,320,947	159,676,014
2025-10-20	49,602,448	140,527,842
2025-10-13	48,844,448	157,944,195
2025-10-06	49,040,250	155,853,051
2025-09-29	47,725,494	151,753,055
2025-09-22	43,582,694	151,410,853
2025-09-15	46,352,255	152,943,336
2025-09-08	43,414,880	152,592,614
2025-09-01	41,208,938	143,927,631
2025-08-25	42,111,664	151,804,134
2025-08-18	40,224,592	145,089,163
2025-08-11	39,096,714	136,341,826
2025-08-04	39,347,166	140,713,078
2025-07-28	41,524,804	158,350,932
2025-07-21	39,005,845	143,748,348
2025-07-14	36,030,382	151,513,829
2025-07-07	35,052,289	157,751,587
2025-06-30	32,417,315	154,037,665
2025-06-23	33,688,040	179,294,199
2025-06-16	33,581,406	178,435,742
2025-06-09	32,858,076	154,684,247
2025-06-02	31,619,217	150,622,241
2025-05-26	29,166,505	137,113,558
2025-05-19	31,286,136	147,762,685
2025-05-12	31,007,161	141,231,070
2025-05-05	30,336,965	133,788,970
2025-04-28	25,274,135	122,696,394
2025-04-21	25,599,469	129,690,752
2025-04-14	24,995,661	125,806,064
2025-04-07	25,749,499	135,762,491
2025-03-31	25,625,555	136,101,220
2025-03-24	20,590,199	132,397,864
2025-03-17	20,416,029	130,853,467
2025-03-10	20,255,637	129,436,911
2025-03-03	19,297,687	126,104,732
2025-02-24	19,477,087	127,347,164
2025-02-17	18,787,380	124,454,743
2025-02-10	18,828,181	128,558,224
2025-02-03	17,684,263	133,866,908
2025-01-27	16,644,731	120,206,542
2025-01-20	16,167,189	117,709,751
2025-01-13	16,278,426	118,934,090
2025-01-06	14,931,536	112,008,002
2024-12-30	8,376,599	65,950,470
2024-12-23	7,423,864	58,848,003
2024-12-16	15,170,716	113,390,428
2024-12-09	15,106,772	117,904,857
2024-12-02	14,623,063	118,980,708
2024-11-25	13,097,915	121,032,004
2024-11-18	14,430,277	136,660,462
2024-11-11	13,305,097	124,549,333
2024-11-04	13,334,135	121,165,653
2024-10-28	13,185,403	109,936,457
2024-10-21	13,408,475	119,313,286
2024-10-14	12,950,846	113,000,557
2024-10-07	13,288,288	112,044,417
2024-09-30	12,290,647	107,369,097
2024-09-23	12,395,051	112,475,216
2024-09-16	11,986,255	109,046,743
2024-09-09	12,308,427	111,338,936
2024-09-02	11,287,280	105,363,310
2024-08-26	11,424,229	106,893,160
2024-08-19	11,162,490	104,419,653
2024-08-12	10,393,290	97,681,723
2024-08-05	10,771,194	103,500,010
2024-07-29	10,616,116	104,972,557
2024-07-22	10,213,430	105,262,158
2024-07-15	10,212,075	107,337,300
2024-07-08	10,122,526	105,583,399
2024-07-01	9,592,814	96,926,603
2024-06-24	10,074,752	103,229,476
2024-06-17	9,713,095	102,643,094
2024-06-10	10,095,067	104,744,184
2024-06-03	9,707,852	105,958,694
2024-05-27	9,219,144	100,473,638
2024-05-20	8,997,906	100,376,507
2024-05-13	9,375,170	103,193,416
2024-05-06	8,754,084	96,131,607
2024-04-29	8,403,827	92,694,117
2024-04-22	9,036,749	99,548,605
2024-04-15	8,552,764	101,352,635
2024-04-08	8,232,403	98,768,111
2024-04-01	7,762,442	96,100,435
2024-03-25	7,251,613	88,901,071
2024-03-18	8,139,874	103,577,448
2024-03-11	7,726,041	103,998,542
2024-03-04	7,494,130	103,593,729
2024-02-26	7,672,219	103,963,290
2024-02-19	7,166,102	99,089,137
2024-02-12	7,038,874	96,214,141
2024-02-05	7,086,946	98,888,516
2024-01-29	7,041,100	100,885,261
2024-01-22	6,677,113	97,765,722
2024-01-15	6,374,331	94,914,558
2024-01-08	6,192,360	93,969,035
2024-01-01	4,616,314	69,744,367
2023-12-25	2,976,675	48,152,796
2023-12-18	5,563,798	84,692,957
2023-12-11	6,145,043	95,099,786
2023-12-04	6,088,836	95,332,355
2023-11-27	6,202,156	98,023,700
2023-11-20	5,403,377	90,649,796
2023-11-13	6,031,886	96,623,341
2023-11-06	6,157,147	98,395,644
2023-10-30	4,274,568	68,018,493
2023-10-23	6,092,483	96,365,341
2023-10-16	6,169,449	98,350,297
2023-10-09	5,726,179	91,974,037
2023-10-02	6,010,339	91,889,835
2023-09-25	6,272,607	95,220,330
2023-09-18	6,203,748	95,383,542
2023-09-11	6,336,472	95,516,011
2023-09-04	5,734,032	90,137,641
2023-08-28	5,695,926	92,187,911
2023-08-21	5,695,385	93,707,510
2023-08-14	5,373,008	87,203,585
2023-08-07	5,074,028	91,291,181
2023-07-31	5,173,498	91,948,869
2023-07-24	4,983,146	92,123,664
2023-07-17	4,809,587	92,579,758
2023-07-10	4,735,168	93,735,875
2023-07-03	4,220,099	85,945,179
2023-06-26	4,461,794	89,620,374
2023-06-19	4,278,448	90,452,804
2023-06-12	4,332,670	94,233,783
2023-06-05	4,061,982	91,367,180
2023-05-29	3,720,123	86,825,338
2023-05-22	3,717,740	90,120,233
2023-05-15	3,474,191	89,700,496
2023-05-08	3,366,913	89,791,074
2023-05-01	2,728,391	83,114,006
2023-04-24	2,766,015	91,741,987
2023-04-17	2,603,135	90,215,316
2023-04-10	2,469,076	84,701,021
2023-04-03	2,334,724	83,312,760
2023-03-27	2,499,480	92,994,887
2023-03-20	2,452,113	91,606,444
2023-03-13	2,430,229	92,052,135
2023-03-06	2,337,922	89,199,753
2023-02-27	2,212,905	91,091,586
2023-02-20	2,075,035	88,535,063
2023-02-13	2,119,214	90,689,742
2023-02-06	2,089,502	92,694,316
2023-01-30	1,910,712	92,267,712
2023-01-23	1,731,307	85,819,195
2023-01-16	1,595,624	84,571,695
2023-01-09	1,631,316	86,969,705
2023-01-02	1,279,122	70,596,068
2022-12-26	782,418	47,119,083
2022-12-19	1,237,090	71,991,603
2022-12-12	1,436,756	84,490,671
2022-12-05	1,379,682	85,450,118
2022-11-28	1,381,898	85,739,764
2022-11-21	1,225,902	78,015,917
2022-11-14	1,405,533	88,555,511
2022-11-07	1,328,275	82,554,575
2022-10-31	1,250,186	79,142,149
2022-10-24	1,273,155	80,246,529
2022-10-17	1,224,276	80,562,174
2022-10-10	1,177,622	77,013,392
2022-10-03	1,160,503	75,540,187
2022-09-26	1,149,265	78,311,938
2022-09-19	1,057,014	75,886,363
2022-09-12	1,110,403	77,924,783
2022-09-05	972,890	73,061,004
2022-08-29	990,928	74,624,656
2022-08-22	932,390	75,601,131
2022-08-15	979,537	73,648,539
2022-08-08	917,684	74,255,506
2022-08-01	812,876	74,549,731
2022-07-25	766,516	74,484,063
2022-07-18	644,430	61,487,903
2022-07-11	719,939	70,034,664
2022-07-04	672,873	66,305,676
2022-06-27	699,851	70,707,641
2022-06-20	626,312	69,222,460
2022-06-13	673,202	68,574,369
2022-06-06	659,377	68,342,338
2022-05-30	644,544	67,251,476
2022-05-23	665,883	66,402,220
2022-05-16	662,305	69,540,653
2022-05-09	677,566	67,165,181
2022-05-02	638,891	60,800,857
2022-04-25	693,750	67,761,609
2022-04-18	637,714	62,896,097
2022-04-11	646,387	63,859,200
2022-04-04	677,290	69,493,765
2022-03-28	634,801	72,845,571
2022-03-21	613,233	70,997,699
2022-03-14	572,384	68,801,424
2022-03-07	543,336	68,152,245
2022-02-28	549,855	67,584,269
2022-02-21	517,015	66,216,003
2022-02-14	525,167	70,348,104
2022-02-07	522,913	71,273,287
2022-01-31	498,665	66,742,492
2022-01-24	479,060	65,420,862
2022-01-17	447,171	63,722,776
2022-01-10	425,842	62,291,434
2022-01-03	367,433	52,127,615
2021-12-27	247,344	34,474,651
2021-12-20	242,229	46,886,771
2021-12-13	266,683	58,987,733
2021-12-06	269,804	56,335,911
2021-11-29	257,355	56,632,928
2021-11-22	224,628	50,467,825
2021-11-15	241,739	55,391,876
2021-11-08	231,530	53,959,636
2021-11-01	223,955	52,336,909
2021-10-25	227,584	55,332,472
2021-10-18	230,996	54,745,281
2021-10-11	206,433	52,676,562
2021-10-04	185,315	53,206,887
2021-09-27	189,773	52,662,048
2021-09-20	172,006	51,476,712
2021-09-13	163,567	51,065,460
2021-09-06	151,646	47,323,708
2021-08-30	143,915	49,496,715
2021-08-23	138,845	48,375,096
2021-08-16	132,750	47,066,901
2021-08-09	125,540	46,864,610
2021-08-02	122,709	46,868,939
2021-07-26	121,997	47,301,489
2021-07-19	111,633	46,165,291
2021-07-12	4,788	2,302,135