Bun vs Rhino

The new runtime that makes Node look slow meets javascript in java? it's like duct-taping a sports car to a tractor—clunky but surprisingly effective for embedding scripts. Here's our take.

Bun

Nice Pick

The new runtime that makes Node look slow. Fast until you need that one npm package it does not support.

Pros

Cons

Rhino

JavaScript in Java? It's like duct-taping a sports car to a tractor—clunky but surprisingly effective for embedding scripts.

Pros

• Seamlessly embeds JavaScript into Java apps for dynamic scripting
• Open-source and actively maintained by Mozilla
• Supports server-side automation and testing without external dependencies

Cons

• Performance lags behind modern engines like V8 or GraalVM
• Limited ES6+ support makes it feel outdated for modern JavaScript

The Verdict

These tools serve different purposes. Bun is a ai assistants while Rhino is a languages. We picked Bun based on overall popularity, but your choice depends on what you're building.

The Bottom Line

Bun wins

Based on overall popularity. Bun is more widely used, but Rhino excels in its own space.