Bun has been acquired by Anthropic
9 days ago
- #JavaScript
- #AI
- #OpenSource
- Bun has been acquired by Anthropic, which will use it as infrastructure for Claude Code, Claude Agent SDK, and future AI coding tools.
- Bun remains open-source, MIT-licensed, and actively maintained by the same team.
- Anthropic's acquisition ensures long-term stability and resources for Bun, allowing it to focus on high-performance JavaScript tooling.
- Bun's roadmap includes improving Node.js compatibility, performance, and serving as a default server-side runtime for JavaScript.
- Bun's single-file executables are ideal for distributing CLI tools, used by AI coding tools like Claude Code and FactoryAI.
- The acquisition provides Bun with a front-row seat to AI coding advancements, shaping its future development.
- Bun's team will collaborate closely with Anthropic, similar to browser-engine relationships, while maintaining independence.
- Bun's growth includes passing 7.2 million monthly downloads and improving Windows support and production usage.
- Anthropic's investment in Bun ensures it remains a robust, open-source tool for both AI-driven and general-purpose JavaScript development.