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 ...
WinBuzzer

Zig Reinforces LLM Contribution Ban As Anthropic-Owned Bun Forks 4x Gain

The Zig Software Foundation has reinforced its blanket ban on LLM-authored issues and pull requests, and Bun’s 4x Bun-compile ...
GIGAZINE

Fake Bun runtime infects over 1,000 NPM packages and 27,000 Github repositories with malware in just a few hours

On November 24, 2025, local time, HelixGuard, an open-source security research lab that conducts research on supply chain malware and vulnerabilities, discovered that over 1,000 components in the NPM ...
Investing

Anthropic acquires Bun as Claude Code hits $1B revenue milestone

Bun, founded by Jarred Sumner in 2021, offers an all-in-one toolkit that combines runtime, package manager, bundler, and test runner capabilities. The JavaScript runtime has been downloaded over 7 ...

Anthropic bakes memory fixes into Bun 1.1.13 as developers complain of leaks

Bun, acquired by Anthropic in December 2025, is both a bundler for compiling TypeScript or JavaScript applications for the ...
CIOL

Anthropic Acquires Bun to Boost Claude Code’s AI Development Push

Anthropic is accelerating its enterprise AI strategy with the acquisition of Bun, the JavaScript runtime designed to boost software development speed and reliability. The move follows a major ...