A compact reasoning-focused model from Nvidia that punches above its weight through sparse activation — only 3 billion parameters fire per forward pass despite a 30 billion parameter total. It runs in NVFP4 precision, a Nvidia-specific quantization format that trades some numerical fidelity for significant memory and speed gains. Expect deliberate, step-by-step reasoning behavior, though its reliance on Nvidia-specific formats limits portability to other hardware ecosystems.