Overview
- Moonshot paused new consumer signups on Sunday after demand for Kimi K3 sharply exceeded GPU capacity and the company said it would reopen access in batches as it adds servers.
- Kimi K3 is a claimed 2.8 trillion-parameter, mixture-of-experts model with a one-million-token context window and Moonshot says it will publish the full trained weights on July 27, 2026.
- The startup is finalizing a fresh funding round that could push its valuation to about $30 billion, has sought up to $2 billion more, and has hired advisers including Goldman Sachs and CICC while unwinding an offshore VIE for a possible Hong Kong listing.
- Investors and markets reacted immediately: some Chinese AI and chip-linked stocks fell after the launch, while Moonshot’s high-profile backers such as Alibaba and Tencent have drawn renewed focus from analysts.
- The launch highlights a wider tension in the AI race because Kimi K3’s scale and MoE design cut training costs but raise inference and serving costs, and U.S. officials are reported to be weighing tighter export and open-source controls in response.