Running Cosmos3-Nano on RTX 5090: FP8/NVFP4 Quantization Fits in 32GB VRAM
fengwang_2_718281828 · reddit · 2026-08-08
A developer successfully quantized the Cosmos3-Nano model to fp8 and nvfp4 formats, enabling it to run within a 32GB VRAM budget. They also packaged and shared a Docker image with a WebUI, making it easy for users with RTX 5090 GPUs to deploy and test the model locally.
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