Moonshot AI launches Kimi K3, a 2.8T parameter open-weights model

Kimi K3 has 2.8 trillion parameters, 1 million context, and native multimodal capabilities. It scores 57 on the Artificial Analysis Intelligence Index, comparable to Opus 4.8 and GPT-5, and features Kimi Delta Attention for up to 6.3x faster decoding.