A five-slide summary of NVIDIA's October 13, 2026 Run:ai open-source release: the four components, what most coverage misses (CUDA 13.4 fractions, no enterprise support on the free build), and where to start. Source: https://developer.nvidia.com/blog/nvidia-runai-is-now-open-source-as-part-of-nvidia-dsx-ai-factory-platform/