---
id: pr-vllm-18312
repo: vllm-project/vllm
pr: 18312
title: '[Quantization] Add compressed-tensors NVFP4 support'
author: dsikka
date: '2025-06-08'
url: https://github.com/vllm-project/vllm/pull/18312
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- nvfp4
- quantization
techniques: []
hardware_features:
- fp4
- nvfp4
kernel_types:
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: c123bc33f9c139b293e906d9612e247c8e29dbbf
inclusion_reason: kernel file changes
changed_paths:
- tests/quantization/test_compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/__init__.py
- vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a4_nvfp4.py
- vllm/model_executor/layers/quantization/compressed_tensors/utils.py
- vllm/model_executor/layers/quantization/utils/nvfp4_emulation_utils.py
head_ref_oid: f716a340b6e02658e98fe7c4280b7d9c8cee3abc
artifact_dir: evidence/pull-bundles/vllm/gh-18312
---
# [Quantization] Add compressed-tensors NVFP4 support

- Repository: `vllm-project/vllm`
- PR: [18312](https://github.com/vllm-project/vllm/pull/18312)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `tests/quantization/test_compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/__init__.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/schemes/compressed_tensors_w4a4_nvfp4.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/utils.py`
- `vllm/model_executor/layers/quantization/utils/nvfp4_emulation_utils.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-18312`
