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Model Details

This model is an MXFP8 (W8A8, group_size 32) model of Qwen/Qwen3.8-27B generated by intel/auto-round using RTN. Please follow the license of the original model.

  • Quantized (MXFP8): MLP, attention, linear attention
  • Kept in BF16: embeddings, lm_head, vision tower, MTP

How to Use

Environment

uv pip install --index-strategy unsafe-best-match \
    --extra-index-url https://wheels.vllm.ai/41848caa63b131f931618055d3ece0b487ce8edb/cu130 \
    "vllm==0.28.1rc1.dev312+g41848caa6"
uv pip install transformers==5.16.1
uv pip install compressed-tensors==0.17.0
uv pip install flashinfer-python==0.6.18

vLLM Usage

VLLM_WORKER_MULTIPROC_METHOD=spawn vllm serve intel-ai/Qwen3.8-27B-MXFP8-CT-AutoRound \
    --language-model-only \
    --reasoning-parser qwen3

Evaluation

Benchmark BF16 MXFP8 Recovery
PIQA 80.96 80.85 99.86%
HellaSwag 63.69 63.61 99.87%
MMLU 83.40 83.48 100.10%
GSM8K 97.42 97.19 99.76%
Average 81.37 81.28 99.90%

Generate the Model

uv pip install git+https://github.com/intel/auto-round.git@51003909807210189a14317e4ee09fc22bc28e73
auto-round \
    --model_name Qwen/Qwen3.8-27B \
    --model_free \
    --scheme MXFP8 \
    --ignore_layers visual,lm_head,embed_tokens,mtp,in_proj_a,in_proj_b \
    --format llm_compressor \
    --output_dir Qwen3.8-27B-MXFP8-CT-AutoRound

Ethical Considerations and Limitations

The model can produce factually incorrect output, and should not be relied on to produce factually accurate information. Because of the limitations of the pretrained model and the finetuning datasets, it is possible that this model could generate lewd, biased or otherwise offensive outputs. Therefore, before deploying any applications of the model, developers should perform safety testing.

Caveats and Recommendations

Users (both direct and downstream) should be made aware of the risks, biases and limitations of the model. Here are a couple of useful links to learn more about Intel's AI software:

Disclaimer

The license on this model does not constitute legal advice. We are not responsible for the actions of third parties who use this model. Please consult an attorney before using this model for commercial purposes.

Cite

@article{cheng2023optimize,
  title={Optimize weight rounding via signed gradient descent for the quantization of llms},
  author={Cheng, Wenhua and Zhang, Weiwei and Shen, Haihao and Cai, Yiyang and He, Xin and Lv, Kaokao and Liu, Yi},
  journal={arXiv preprint arXiv:2309.05516},
  year={2023}
}

arxiv github

Signed-off-by: Lv, Kaokao kaokao.lv@intel.com

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