Devstral Small 2 24B Instruct 2512 nvfp4 Format: NVFP4 — weights & activations quantized to FP4 with dual scaling. Base model: mistralai/Devstral Small 2 24B Instruct 2512 How it was made: One shot calibration with LLM Compressor (NVFP4 recipe), long seq calibration with nvidia/OpenCodeInstruct. Notes: Keep lm head in high precision; calibrate on long, domain relevant sequences. Check the original model card for information about this model. Running the model with VLLM in Docker Note: I have tried everything I can possibly think of to get this thing to run on VLLM and it just will not. The exact same container runs the full FP8 version of Devstral Small 2 24B Instruct 2512 just fine but refuses to even attempt to load this quant. I'm sure there's some way to get it running but I don't know what that is. This was tested on an RTX Pro 6000 Blackwell cloud instance. If there are other models you're interested in seeing quantized to NVFP4 for use on the DGX Spark, or other modern Blackwell (or newer) cards let me know. I'm trying to make more NVFP4 models available to allow more people to try them out.
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