Go Package Radar
Go package comparison

jsoniter vs fastjson

Compare two Go packages using the same scoring model: maintenance, adoption, security, maturity, developer experience, and data confidence.

jsoniter fastjson Go JSON Libraries

Quick Decision

The current weighted model does not produce a clear winner.

jsoniter

Package jsoniter implements encoding and decoding of JSON as defined in RFC 4627 and provides interfaces with identical syntax of standard lib encoding/json.

71
Maintenance 12
Adoption 100
Security 92
Maturity 94
Developer DX 97
Confidence 100

fastjson

Package fastjson provides fast JSON parsing.

73
Maintenance 75
Adoption 57
Security 92
Maturity 62
Developer DX 83
Confidence 80

Metric Table

side by side
Metric jsoniter fastjson Lead
Health 71 73 fastjson
Maintenance 12 75 fastjson
Adoption 100 57 jsoniter
Security 92 92 Tie
Maturity 94 62 jsoniter
Imported by17.7K895jsoniter
Stars13.9K0jsoniter
Last activity2 years ago3 months agoReview dates
Known vuln records00Tie

Choose jsoniter if

You prefer its current score profile and the package fits your framework or API style.

Its maintenance, adoption, and security signals match your project risk tolerance.

Choose fastjson if

You prefer its current score profile and the package fits your framework or API style.

Its maintenance, adoption, and security signals match your project risk tolerance.