Anthropic Just Bought Bun — And JavaScript Will Never Be the Same

I was reading the news with my morning coffee when I saw it. "Anthropic acquires Bun." I read it three times. Then I put down my coffee. Then I opened Twitter to make sure it wasn't a joke. It wasn't a joke. Anthropic the company behind Claude, the AI I use every single day for coding had just made its first ever acquisition . And they didn't buy an AI startup. They didn't buy a data company. They didn't buy something that makes headlines at an AI conference. They bought a JavaScript runtime. Let that sink in for a second. The most sophisticated AI lab in the world looked at everything they could acquire and chose Bun. I spent the next three hours reading everything I could find. And the more I read, the more I realized: this isn't just news. This is a signal about where the entire industry is going. And most developers are completely missing it. First — What Even Is Bun? If you haven't used Bun yet, here's the thirty-second version: Bun is a JavaScript runtime — like Node.js, but dram