Sonnet – The fastest JSON parser I can think of in Go

- What's different? It's fast. On my machine, the stream decoder is faster than bytedance/sonic which claim to be the fastest even though mine is written in pure Go and Sonic is written in Go + C + Assembly. It also is a drop-in replacement of the standard library. - Why is it fast? technologies used are in my articles (available in English and Japanese) EN: https://sugawarayuuta.medium.com/still-i-wanted-to-build-the... JA: https://zenn.dev/sugawarayuuta/articles/2a5a3cb3f9a504

Visit github.com ↗Alternatives

Does the same job

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AF
A fast JSON library for Go2021 · github.com · ▲119
FF
fastjson - Fast JSON Parsing for Go2018 · github.com · ▲20
IM
I made a Clojure-like language in Go, boots in 7msMay 2026 · github.com · ▲292
Let-go is a Clojure-like language (~90% compatible with JVM Clojure) written in pure Go. It ships as a ~10MB static binary and cold boots in ~7ms - that's about 50x faster than JVM and 3x faster than Babashka. It has decent throughput on algorithmic workloads - within ballpark of the GraalVM-backed sci. I started this project in 2021 as an elaborate practical joke: I wanted to have an excuse for writing Clojure while pretending to write Go. Jokes aside, it turned out to be pretty decent: it feels like real Clojure, it has an nREPL server (supported in Calva, CIDER, etc.), it's easily…
TF
The fastest JSON parser for GoJul 2026 · github.com · ▲7
GP
Gojay – Performant JSON encoder/decoder for Golang2018 · github.com · ▲153
Catapult2021 · ▲208
Translate your documents up to 3-times faster

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