The new, powerful Chinese artificial intelligence model Kimi K3, which has caused a stir in the US tech industry, has suspended new subscriptions after a flood in demand overwhelmed capacity within days of the launch. The development highlighted challenges faced by Chinese AI models in serving a growing user base at home and abroad at a time the US-China tech race is heating up. Chinese open-source, lower-cost advanced AI models, including DeepSeek’s latest V4, have been moving fast in gaining global attention. In early 2025, DeepSeek shook world markets and helped China to be recognized as a serious competitor to…