Moonshot AI launches Kimi K3, 2.8T open-weight MoE model

Moonshot AI released Kimi K3's weights and technical report on HuggingFace: a 2.8T-parameter MoE with native visual understanding and a 1M-token context window. It ranks #1 among open-weight models on the Agent Arena (+9.75% net, ahead of GLM-5.2) and #2 on Vibe Code Bench (85.0%), with Day-0 availability on AWS, Nebius, and DigitalOcean.