Moonshot AI releases Kimi K3, a 2.8T open-weight frontier model

Kimi K3 features 2.8 trillion parameters, 1 million token context, and native multimodal capabilities. It ranks #2 on Vibe Code Bench (85%) and #3 on VoxelBench. Kimi Delta Attention yields 6.3x faster decoding; Attention Residuals improve training efficiency by ~25%.