The Great AI Divide: Open vs Closed Models and the Battle for AI's Future

The Signal

A Chinese AI startup called Moonshot AI dropped Kimi K3, a 2.8 trillion-parameter model, into the wild for anyone to download, modify, and run. The model wasn't just another also-ran; it was beating top-tier US models like Anthropic's Opus 4.8 and OpenAI's GPT-5.5 on key benchmarks, all while costing about a third of the price to run. This single act of releasing a powerful, open-weight model didn't just rattle markets—it detonated a philosophical and political bomb in the heart...