Kimi K3 sparks debate on China vs US AI approach

Chinese AI company Moonshot AI released the Kimi K3 model, which performs nearly as well as top US models in key tests but costs much less. This has reignited American worries about China catching up in AI. Some US critics accuse Chinese firms of using research from Anthropic, OpenAI, and Google. The core conflict is about different approaches: Chinese companies embrace open-source or open-weight models, while US firms mostly stick to closed systems. OpenAI's Dean Ball suggested the Trump administration could create regulatory hurdles for Chinese open-weight models, sparking a big debate. Investor David Sacks called this "regulatory capture," saying closed labs want the government to kill their open-source rivals. Open-source supporters argue openness is AI's future, while analysts point out that Chinese firms like DeepSeek compete on efficiency, not just open source.