---
id: pr-vllm-21639
repo: vllm-project/vllm
pr: 21639
title: '[Feature] Add Flashinfer MoE Support for Compressed Tensor NVFP4'
author: yewentao256
date: '2025-07-31'
url: https://github.com/vllm-project/vllm/pull/21639
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- moe
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: c3e0e9337ef0af04d2d18b263a6a0f7deed75856
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py
- vllm/model_executor/layers/quantization/modelopt.py
- vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py
- vllm/model_executor/layers/quantization/utils/nvfp4_moe_support.py
head_ref_oid: 689543c6d8e91f06c3b8447b6e150816da40691b
artifact_dir: evidence/pull-bundles/vllm/gh-21639
---
# [Feature] Add Flashinfer MoE Support for Compressed Tensor NVFP4

- Repository: `vllm-project/vllm`
- PR: [21639](https://github.com/vllm-project/vllm/pull/21639)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py`
- `vllm/model_executor/layers/quantization/modelopt.py`
- `vllm/model_executor/layers/quantization/utils/flashinfer_fp4_moe.py`
- `vllm/model_executor/layers/quantization/utils/nvfp4_moe_support.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-21639`
