Why spend hundreds of millions acquiring open-source AI infra?

既然都是开源的，为什么还要花几亿去买

Anthropic acquired Bun, Vercept, Coefficient Bio, and Stainless within six months, while OpenAI acquired Astral; the post does not disclose deal values, terms, or the cost comparison against forking the open-source projects.

Why it matters: HKR-H/K/R all pass: the counterintuitive title, five named acquisitions, and open-source infra capture anxiety create signal. Missing prices, terms, and fork-cost evidence keep it in the lower featured band.