China's new AI model halts new subscriptions as demand swamps capacity

Moonshot AI's Kimi K3, a 2.8-trillion-parameter open-source model launched last week, halted new subscriptions after demand overwhelmed compute capacity within 48 hours. The suspension signals infrastructure constraints in Chinese AI deployment and renewed competitive pressure on US frontier AI vendors.

This Wire brief sits within Fusion42's coverage of AI Frontier Models. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.