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

Kimi K3 is a 2.8 trillion parameter, 1 million context, native multimodal model with open weights. It achieved the #1 spot on Code Arena fullstack rankings and scored 71.6 on Perplexity's DRACO deep research benchmark. Kimi Delta Attention enables up to 6.3x faster decoding in long contexts.