Anthropic’s Bun Rust rewrite merged at speed of AI

A pull request with a Rust version of Anthropic’s Bun, a JavaScript toolkit and runtime originally written in Zig, has been ...
Techzine Europe

Bun takes a surprising step from Zig to Rust

The developers of the JavaScript runtime Bun have decided to largely rewrite the platform in Rust. In doing so, the project ...
Geeky Gadgets

Bun 1.0 all-in-one JavaScript runtime and toolkit

In the ever-evolving world of JavaScript development, a new player has emerged on the scene. Bun 1.0, an all-in-one JavaScript runtime and toolkit, has been launched with the aim of simplifying the ...
GIGAZINE

Anthropic acquires JavaScript runtime Bun, Claude Code generates $1.5 billion in revenue in just six months

On December 2, 2025, developer Jared Sumner announced on his blog that his JavaScript runtime, Bun, had been acquired by Anthropic. Anthropic followed suit on December 3, announcing the acquisition of ...
heise online

Framework Bun: "Faster than anyone would believe" – Interview with Jarred Sumner

Since 2021, Californian software developer Jarred Sumner has been in charge of developing the JavaScript runtime Bun. The open-source project is intended to be an all-in-one tool for bundling, ...
heise online

Open-source toolkit: AI company Anthropic acquires Bun

AI company Anthropic has acquired the open-source JavaScript toolkit Bun, which it uses for the infrastructure of Claude Code. Bun has been acquired by Anthropic, as Bun creator Jarred Sumner ...