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Dev Tools · 15h ago

Claude Code Switches to Bun Runtime, Now Built in Rust

By Meridian48 News Desk · Summarised from Hacker News ·

Anthropic's Claude Code has migrated from Node.js to Bun, a JavaScript runtime written in Rust. The move aims to improve performance and reduce latency for AI-assisted coding tasks. Bun's Rust foundation offers faster startup and lower memory usage compared to Node.js.

Meridian48 take
The shift underscores a growing trend of AI tools adopting performant runtimes, but the real test is whether developers notice a meaningful speedup in daily use.
Read the full reporting
Claude Code uses Bun written in Rust now →
Hacker News
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