Kimi K3 Open Day: Model weights, technical reports, and key infrastructure technologies will be available for public viewing.

Kimi K3 Open Day, held to mark the dark side of the moon, officially launched the Kimi K3 model weights, technical report, and three key infrastructure technologies. Kimi K3 is a 2.8 trillion parameter MoE model with native visual understanding and long contextualization capabilities of 1 million tokens, achieving 2.5 times the scalability of its predecessor. Simultaneously, the MoonEP high-performance communication library, FlashKDA operator, and AgentEnv sandbox system were open-sourced, covering key links from training communication to distributed RL environments.