---
id: pr-vllm-30881
repo: vllm-project/vllm
pr: 30881
title: '[Compressed-Tensors] Simplify NVFP4 Conditions, enable marlin support for NVFP4A16 MoEs'
author: dsikka
date: '2026-01-08'
url: https://github.com/vllm-project/vllm/pull/30881
source_category: upstream-code
architectures:
- sm100
- sm90
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: 5d3b6097ad6f8ddb156b92525cce19e08e5c7b89
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py
- vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py
head_ref_oid: fd9800f51286b0eeb489b15d8a68a9d49c8ae285
artifact_dir: evidence/pull-bundles/vllm/gh-30881
---
# [Compressed-Tensors] Simplify NVFP4 Conditions, enable marlin support for NVFP4A16 MoEs

- Repository: `vllm-project/vllm`
- PR: [30881](https://github.com/vllm-project/vllm/pull/30881)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors.py`
- `vllm/model_executor/layers/quantization/compressed_tensors/compressed_tensors_moe.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-30881`
