July 29, 2026 Kimi K3: Open Frontier Intelligence 2.8T 参数原生多模态 MoE、104B 激活参数、1M token 上下文、Kimi Delta Attention + Attention Residuals + Stable LatentMoE 的开源前沿模型 MoE Long-Context Kimi-Delta-Attention Attention-Residuals Native-Vision Agentic-RL Muon-Optimizer MXFP4-Quantization Kimi