
Chinese startup Moonshot AI has introduced Kimi K3, its largest AI model with 2.8 trillion parameters, which narrows the performance gap with leading U.S. AI systems like Anthropic's Claude Fable 5 and OpenAI's GPT 5.6 Sol. While Kimi K3 still trails the very top models overall, it outperforms several other advanced models on benchmarks such as coding and general agent tasks. This launch highlights China's growing AI capabilities amid intensifying competition with the U.S., as Chinese models gain traction globally due to competitive performance and lower costs. The release has also impacted Chinese AI company stocks, reflecting market reactions to the evolving AI landscape.