Qwen3.8-2.4T-A95B-NVFP4

Model Overview

  • Model Architecture: Qwen3_5MoeForCausalLM
    • Input: Text
    • Output: Text
  • Model Optimizations:
    • Weight quantization: FP4
    • Activation quantization: FP4
  • Release Date: 2026-08-12
  • Version: 1.0
  • Model Developers: RedHatAI

This model is a quantized version of Qwen/Qwen3.8-2.4T-A95B. It was evaluated on several tasks to assess its quality in comparison to the unquantized model.

Model Optimizations

This model was obtained by quantizing the MoE expert weights and activations of Qwen/Qwen3.8-2.4T-A95B to FP4 (NVFP4) data type, ready for inference with vLLM. Attention and non-quantized layers keep their original precision.

This optimization reduces the number of bits per parameter in the quantized MoE layers from 16 to 4, reducing the disk size and GPU memory requirements of those layers by approximately 75%.

Only the weights and activations of the linear operators in the MoE experts are quantized using LLM Compressor.

Deployment

vLLM Serving

vllm serve RedHatAI/Qwen3.8-2.4T-A95B-NVFP4 \
    --tensor-parallel-size 8 \
    --enable-expert-parallel 8 \
    --reasoning-parser qwen3

Creation

This model was created by applying LLM Compressor with the NVFP4 scheme, exported in compressed-tensors format.

Evaluation

This model was evaluated on GPQA Diamond and DeepSWE (v1.1), served with vLLM (OpenAI-compatible API). Recovery is computed against the unquantized model.

Accuracy

Category Benchmark Qwen/Qwen3.8-2.4T-A95B RedHatAI/Qwen3.8-2.4T-A95B-NVFP4 Recovery
Reasoning GPQA Diamond 92.6 92.9 100.32%
Coding DeepSWE (v1.1) 56.6 56.6 100.00%
Downloads last month
1,274
Safetensors
Model size
1.4T params
Tensor type
BF16
·
U8
·
Inference Providers NEW
This model isn't deployed by any Inference Provider. 🙋 Ask for provider support

Model tree for RedHatAI/Qwen3.8-2.4T-A95B-NVFP4

Quantized
(32)
this model