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Anthropic acquires Bun to accelerate Claude Code

Anthropic has acquired the Bun JavaScript runtime to accelerate Claude Code. The company also says Claude Code reached $1 billion in run-rate revenue within six months of launch, a pace measure rather than cumulative revenue.

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Key points

  1. Bun, a JavaScript runtime, is the acquisition target.
  2. Anthropic identifies accelerating Claude Code as the purpose of the deal.
  3. Anthropic reports $1 billion in Claude Code run-rate revenue within six months of launch.

Why it matters

For teams choosing runtime infrastructure or a coding agent, the deal connects two previously separate product decisions. Its practical value will depend on what Anthropic changes in Bun and how that work reaches Claude Code.

What to watch

Watch for Bun's development roadmap, maintenance commitments and specific Claude Code improvements attributed to the acquisition.

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Sources