Inside China’s Machine: Moonshot

The Largest Open Model Ever Built. Shipped Without a Keynote. It Knocked Chip Stocks Down on Thursday. By Sunday It Had Run Out of Chips. The Constraint Was Never Capital.

Late on 16 July 2026, the largest open-weight AI model in history appeared on the internet. There was no keynote. There was no press conference. There was an updated page on kimi.com.

The timing had a certain dryness to it. The World Artificial Intelligence Conference opened in Shanghai that same week, the annual venue where Chinese AI companies build booths and give speeches about the future. Moonshot had a booth there too, and on 17 July a Reuters photographer captured people walking past it. The company had already shipped the thing overnight, from Beijing, without ceremony.

The next morning, semiconductor stocks fell. Traders reached for a phrase they had used once before, in early 2025, when a Chinese lab shipped a model that performed near the American frontier at a fraction of the assumed cost. They called it a Kimi moment.

By Sunday, Moonshot AI had stopped selling subscriptions. Its own GPUs could not keep up with the model it had just given the world.

Read those three events in …