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Why the U.S. is wary of Moonshot AI\'s Kimi K3

China startup Moonshot AI’s large language model Kimi K3 is being assessed as having narrowed the gap with top U.S. AI models to weeks, raising caution in Silicon Valley. Analysts and researchers cited faster catch-up, competitive costs and results that rank near leading U.S. systems. U.S. figures voiced concern and renewed debate over restrictions. Users praised performance but criticised response speed. Moonshot AI temporarily halted new subscriptions due to strained computing resources.