Mindbeam Launches Litespark Nemotron, Open-Weights Model for CUDA Kernel Generation

NVIDIAAI · x · 2026-10-17

NVIDIA shared Mindbeam's follow-up announcement: as demand for optimizing low-level systems and kernel designs grows, frontier open-source models now write CUDA routinely. Mindbeam poses the engineering question: can a model read a PyTorch module and write a raw CUDA kernel computing the same forward pass within a fixed numerical tolerance, remaining architecture-agnostic?

To address it, Mindbeam and NVIDIA launched Litespark Nemotron 3.5 Super VL, an open-weights model post-trained from Nemotron 3.5 Super VL 120B-A12B that excels at CUDA code across KernelBench levels.

Related event: Mindbeam and NVIDIA post-train Nemotron for CUDA kernel generation(2 posts)→

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