Property	Value
Original Model	TheDrummer/Behemoth-R1-123B-v2
Quantization	NVFP4 (FP4 weights, FP16 activations)
Method	NVIDIA ModelOpt PTQ
Calibration Samples	512
Max Sequence Length	4096

Hardware Requirements

Optimal: NVIDIA Blackwell GPUs (B100, B200, RTX PRO 6000 Blackwell)
Compatible: Hopper/Ampere (will use weight-only mode)

Usage with vLLM

python

from vllm import LLM, SamplingParams

llm = LLM(
    model="TheHouseOfTheDude/Behemoth-R1-V2_ModelOpt-NVFP4",
    quantization="modelopt",
    trust_remote_code=True,
)

sampling_params = SamplingParams(temperature=0.8, top_p=0.95, max_tokens=512)
outputs = llm.generate(["Write a story about..."], sampling_params)
print(outputs[0].outputs[0].text)

Chat Template

Uses Mistral v7 (Non-Tekken) format. See the original model card for usage details.

Credits

Original Model: TheDrummer
Quantization: TheHouseOfTheDude
Quantization Framework: NVIDIA ModelOpt