Claude Code uses Bun written in Rust now

Claude Code 现在使用用 Rust 编写的 Bun

来源: Simon Willison | 时间: 2026-07-19T03:54:09+00:00

In Rewriting Bun in Rust Jarred Sumner made the following claim:

在《用 Rust 重写 Bun》一文中，Jarred Sumner 发表了以下观点：

Claude Code v2.1.181 (released June 17th) and later use the Rust port of Bun. Startup got 10% faster on Linux but otherwise, barely anyone noticed. Boring is good.

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