# Chez Scheme

23 Hacker News commenters recommended Chez Scheme and 5 criticized it, November 2025 to November 2026. It was recommended in 7 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Fast optimizing Scheme compiler with small native binaries; critics find its source hard to read and setup rough.

## Why people recommend it

- Fast optimizing compiler (8 comments): "remains today one of the most magically optimizing compilers for a dynamic language in existence" ([source](https://news.ycombinator.com/item?id=48630923)) "Yes, Chez Scheme is fast but it took a lot of time (a few years!) to make the compiler translate" ([source](https://news.ycombinator.com/item?id=48657965)) "Chez compiles a project of about 35000 lines (with heavy macro usage) in less than 0.5s on -O2" ([source](https://news.ycombinator.com/item?id=49407195))
- Small fast-starting native binaries (2 comments): "The ability to just wrap a C library and statically link everything into a single binary has been really nice too!" ([source](https://news.ycombinator.com/item?id=45797421)) "produces native binaries with startup in the microsecond range and around 8 to 13 megs in size" ([source](https://news.ycombinator.com/item?id=50020327))
- Loved by Scheme enthusiasts (5 comments): "I love Chez, even if coding in Scheme can feel like rubbing sticks together to start a fire on an island" ([source](https://news.ycombinator.com/item?id=47835346)) "Give me Chez Scheme and the nanopass compiler any day." ([source](https://news.ycombinator.com/item?id=46043804)) "Gambit and Chez are amazing achievements." ([source](https://news.ycombinator.com/item?id=49262990))

## What people warn about

- Hard to read source (2 comments): "I find Chez's source code very cryptic and hard to read" ([source](https://news.ycombinator.com/item?id=46933780)) "Chez improved a bit, at the expensive of readability" ([source](https://news.ycombinator.com/item?id=47843040))
- Hard to justify for new projects (2 comments): "If someone tries to implement a project using Chez Scheme, they better have agreat reason to not use mainstream boring language." ([source](https://news.ycombinator.com/item?id=48853593)) "they are not languages I would start a project with today" ([source](https://news.ycombinator.com/item?id=47646935))
- Rough setup, not ready to use (2 comments): "Unfortunately Windows installation of Jolt and Chez is real pain." ([source](https://news.ycombinator.com/item?id=49926191)) "Chez Scheme is not "ready to use"." ([source](https://news.ycombinator.com/item?id=49255796))

## Alternatives hackers recommend

- [Chicken Scheme](https://hackerapproved.com/p/chicken-scheme.md): 25 recommend
- [GNU Guile](https://hackerapproved.com/p/guile.md): 24 recommend
- [S7 Scheme](https://hackerapproved.com/p/s7-scheme.md): 7 recommend
- [Gambit Scheme](https://hackerapproved.com/p/gambit-scheme.md): 5 recommend

## Cite as

Hacker Approved, "Chez Scheme", https://hackerapproved.com/p/chez-scheme/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).