sonic VS simdjson

Compare sonic vs simdjson and see what are their differences.


A blazingly fast JSON serializing & deserializing library (by bytedance)


Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, WatermelonDB, Apache Doris, Milvus, StarRocks (by simdjson)
Our great sponsors
  • Onboard AI - Learn any GitHub repo in 59 seconds
  • InfluxDB - Collect and Analyze Billions of Data Points in Real Time
  • SaaSHub - Software Alternatives and Reviews
sonic simdjson
21 57
5,769 17,644
3.3% 1.0%
6.3 0.0
12 days ago 4 days ago
Go C++
Apache License 2.0 Apache License 2.0
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of sonic. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-11-06.


Posts with mentions or reviews of simdjson. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-11-05.

What are some alternatives?

When comparing sonic and simdjson you can also consider the following projects:

RapidJSON - A fast JSON parser/generator for C++ with both SAX/DOM style API

jsoniter - jsoniter (json-iterator) is fast and flexible JSON parser available in Java and Go

json - JSON for Modern C++

jsoniter - Using encoding/json to load parts of a large json document

fastjson - Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection

json-schema-validator - JSON schema validator for JSON for Modern C++

JsonCpp - A C++ library for interacting with JSON.

encoding - Go package containing implementations of efficient encoding, decoding, and validation APIs.

json - A C++11 library for parsing and serializing JSON to and from a DOM container in memory.

json_struct - json_struct is a single header only C++ library for parsing JSON directly to C++ structs and vice versa

json-c - is the official code repository for json-c. See the wiki for release tarballs for download. API docs at