Moonshot AI releases Kimi K3 with 2.8T parameters and 1M context

Moonshot AI launched Kimi K3, a 2.8-trillion-parameter multimodal model with 1M-token context, using Kimi Delta Attention for up to 6.3x faster decoding. On the DRACO deep research benchmark, K3 scored 71.6 vs GLM 5.2's 41.5, and it tops Code Arena's full-stack rankings.