China's Kimi K3 sold out in three days — Moonshot ran out of GPUs before it ran out of users
China's Moonshot AI paused new Kimi K3 subscriptions days after launch as demand maxed out its GPU capacity. It reopens in batches and promises the full model weights by 27 July.
There are good problems to have, and Moonshot AI is living one: Kimi K3 drew so much demand that the Chinese company had to shut the door on new customers. It launched the model on 16 July and, three days later, there were no spots left — paid subscription cards simply showed as sold out.
The reason isn’t a lack of interest, it’s the opposite. Demand pushed Moonshot right up against its GPU limits, the chips that make AI run. Anyone already subscribed keeps using Kimi as normal; the freeze only hit new sign-ups.
Why did Kimi K3 sell out?
Because there aren’t enough chips. Training and serving a big model to millions of users needs a mountain of GPUs, and in China access to Nvidia’s most advanced accelerators runs into US export controls. So when a Chinese model goes viral, capacity runs dry fast. We covered Kimi K3 when it launched — what’s new now is that the queue is bigger than the servers.
When do sign-ups reopen?
In batches, gradually, as Moonshot frees up capacity. And there’s a date circled: the company promises to release Kimi K3’s full weights by 27 July, which lets anyone run the model themselves, without leaning on Moonshot’s servers. The official notes and announcements sit on the Kimi site.
The episode says a lot about where the real bottleneck in the 2026 AI race lies: it’s no longer just who has the best model, it’s who has the chips and the power to run it for everyone.
By Oliver Grant
Image: BalticServers.com / Wikimedia Commons (CC BY-SA 3.0)
