sonic-rs by cloudwego
A fast Rust JSON library based on SIMD.
About sonic-rs
From the project's README at github.com/cloudwego/sonic-rs. Lightly cleaned for readability; for the full source see the upstream repo.
[](https://crates.io/crates/sonic-rs) [](https://docs.rs/sonic-rs) [](https://www.cloudwego.io/) [](#license) [![Build Status][actions-badge]][actions-url] [![codecov][codecov-badge]][codecov-url]
[actions-badge]: https://github.com/cloudwego/sonic-rs/actions/workflows/ci.yml/badge.svg [actions-url]: https://github.com/cloudwego/sonic-rs/actions [codecov-badge]: https://codecov.io/gh/cloudwego/sonic-rs/graph/badge.svg [codecov-url]: https://codecov.io/gh/cloudwego/sonic-rs
A fast Rust JSON library based on SIMD. It has some references to other open-source libraries like soniccpp, serdejson, sonic, simdjson, rust-std and more.
For users to migrate from to , can see serdejsoncompatibility*** Require
Health score breakdown
6-dimension composite. See methodology for formula and weights.
Adoption signals
Real-world usage data, pulled from each registry. The bigger the numbers, the more battle-tested the project.
| Signal | Value | Source |
|---|---|---|
| GitHub stars | 874 | github.com/cloudwego/sonic-rs |
| GitHub forks | 59 | github.com/cloudwego/sonic-rs |
| CRATES downloads (last month) | 2164k | sonic-rs |
Release & maintenance
Is this project actively maintained, or about to die? Check the recency of last commit and last release.
| Project age | 2.8 years | since Jul 2023 |
| Last commit | 22 days ago | Apr 15, 2026 |
| Releases shipped | 34 | last: 1 months ago |
Self-hosting cost across providers
Detected requirements: 4GB RAM, 40GB disk minimum. Cheapest plan per provider that meets the requirement.
| Provider | Plan | Specs | Monthly | |
|---|---|---|---|---|
| hetzner | CAX11 | 2c · 4GB · 40GB | $4.13 USD | Deploy → |
| vultr | VC2 | 1c · 1GB · 25GB | $5 USD | Deploy → |
| linode | Nanode 1GB | 1c · 1GB · 25GB | $5.12 USD | Deploy → |
| digitalocean | Basic Regular 1GB | 1c · 1GB · 25GB | $6 USD | Deploy → |
What people say on Hacker News
Ready to self-host sonic-rs?
Spin up a hetzner CAX11 (4GB RAM, 40GB disk) for $4.13/mo and follow the project's official install docs.
Data last refreshed May 7, 2026.
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