---
title: "What happened to Bun? Acquisition announced on 03 DEC 2025"
canonical_url: https://cookiesforai.app/ai-changelog/tools/bun
markdown: https://cookiesforai.app/ai-changelog/tools/bun.md
publisher: "CookiesForAI"
last_updated: 2026-10-18T15:24:06+02:00
type: status
summary: "Bun: Acquisition announced on 03 DEC 2025. Anthropic announced it is acquiring Bun, a JavaScript runtime, and said Bun will remain open source and MIT-licensed."
---

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# What happened to Bun?

**Acquisition announced on 03 DEC 2025.** Anthropic announced it is acquiring Bun, a JavaScript runtime, and said Bun will remain open source and MIT-licensed. Source: [Anthropic news](https://www.anthropic.com/news/anthropic-acquires-bun-as-claude-code-reaches-usd1b-milestone).

## What this means

On 03 DEC 2025, Anthropic announced it was acquiring Bun to further accelerate Claude Code. Anthropic said Bun would remain open source and MIT-licensed, and that it would keep investing in Bun as a runtime, bundler, package manager and test runner.

- Made by: Bun
- Website: https://bun.sh
- Status: Acquisition announced on 03 DEC 2025
- Checked: 16 OCT 2026

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