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Kimi K3 Demand Surge Forces Moonshot AI to Pause Sign-Ups

Published: Jul. 21, 2026  3:46 a.m.  GMT+8
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Moonshot AI released the open-source, 2.8 trillion-parameter K3 model on July 17, surpassing DeepSeek-V4-Pro as the largest open-weight model to date. Photo: VCG
Moonshot AI released the open-source, 2.8 trillion-parameter K3 model on July 17, surpassing DeepSeek-V4-Pro as the largest open-weight model to date. Photo: VCG

Chinese artificial-intelligence startup Moonshot AI halted new user subscriptions for its recently launched Kimi K3 foundation model on July 19 after a surge in demand overwhelmed its computing capacity.

The sudden bottleneck highlights Kimi K3’s rapid adoption and aggressive pricing, which have sparked a selloff in Chinese AI stocks and prompted global technology investors to rethink the profit outlook for frontier AI models.

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