Anthropic Acquires Bun
Jarred Sumner (via Hacker News):
Bun has been acquired by Anthropic. Anthropic is betting on Bun as the infrastructure powering Claude Code, Claude Agent SDK, and future AI coding products & tools.
[…]
- Bun stays open-source & MIT-licensed
- Bun continues to be extremely actively maintained
- The same team still works on Bun
- Bun is still built in public on GitHub
- Bun’s roadmap will continue to focus on high performance JavaScript tooling, Node.js compatibility & replacing Node.js as the default server-side runtime for JavaScript
[…]
Instead of putting our users & community through “Bun, the VC-backed startups tries to figure out monetization” – thanks to Anthropic, we can skip that chapter entirely and focus on building the best JavaScript tooling.
Previously:
Update (2025-12-03): Rui Carmo:
I thought this was wonderfully serendipitous since I have recently started porting this site’s engine to TypeScript on
bun, following almost a year of running Node-RED on it and assorted other low-risk experiments.I started doing it because
bunis the closest thing I’ve come across yet to a “batteries included” JavaScript runtime: it bundles SQLite support, HTML parsing and sane HTTP primitives, can generate standalone executables, and the fact that it installs packages with sub-second delays and bundles its own TypeScript implementation is just icing on the cake.
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It's odd to me that people perceive this as providing stability to bun when Anthropic loses a small country's GDP each quarter.
