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Bun 1.3 stuffs everything and kitchen sink into JS runtime

Version 1.3 of the Bun JavaScript runtime and toolkit has landed, pushing forward the project's goal to consolidate fragmented JavaScript toolchains into a single solution. Yet the rapid expansion has ...
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 ...
heise online

Open-source toolkit: AI company Anthropic acquires Bun

AI company Anthropic has acquired the open-source JavaScript toolkit Bun, which it uses for the infrastructure of Claude Code. Bun has been acquired by Anthropic, as Bun creator Jarred Sumner ...
Geeky Gadgets

Why Anthropic Bought Bun, a High-Speed Runtime to Power Claude Tools and Dev Agents

What happens when a innovative AI research company acquires one of the fastest JavaScript runtimes on the market? The tech world is abuzz with the news that Anthropic has acquired Bun, a move that ...