Moonshot AI has released Kimi K3's model weights and made parts of its infrastructure open source. The Chinese model nearly matches Western frontier models such as Fable 5 and GPT-5.6 Sol on popular benchmarks, but independent tests found major gaps in cyber and math performance, possibly pointing to distillation.

Moonshot AI releases Kimi K3, a 2.8 trillion parameter open-source model, intensifying the US-China AI competition and reshaping the market

Moonshot AI is set to release its advanced Kimi K3 model, signaling China's ambition to challenge US dominance in cutting-edge artificial intelligence development.