not much happened today

**Moonshot** released the **Kimi K3** open-weights model, a **2.8T-parameter MoE** with **104B active parameters**, **896 experts**, and **1M-token context** featuring native visual understanding. The release includes open-source infrastructure like **FlashKDA**, **MoonEP**, and **AgentENV**, enabling large-scale agentic post-training and serving. The technical report highlights a **~2.5× scaling-efficiency improvement over K2** with innovations in numerical stability and MoE routing. Licensing is source-available with commercial-use restrictions, signaling a trend towards open-weight models with business carve-outs. Distribution was broad and immediate via platforms like **vLLM**, **Baseten**, **Modal**, **Together**, and **Ollama Cloud**. Separately, **NVIDIA** launched the **Open Secure AI Alliance** to build an ecosystem combining open and closed frontier models for AI security, emphasizing defense against attackers already equipped with strong AI.