---
id: pr-vllm-23819
repo: vllm-project/vllm
pr: 23819
title: '[Model][gpt-oss] Support DP+EP for GPT-OSS with FlashInfer trtllm-gen MoE'
author: nvpohanh
date: '2025-08-28'
url: https://github.com/vllm-project/vllm/pull/23819
source_category: upstream-code
architectures:
- sm100
tags:
- fp4
- kernel-fusion
- moe
- quantization
techniques:
- kernel-fusion
hardware_features:
- fp4
kernel_types:
- moe
- quantization
languages:
- python
captured_at: '2026-04-27'
status: merged
merge_sha: 95089607fa307c5facfb9706ea919292fb56e78c
inclusion_reason: kernel file changes
changed_paths:
- vllm/model_executor/layers/fused_moe/config.py
- vllm/model_executor/layers/fused_moe/layer.py
- vllm/model_executor/layers/quantization/mxfp4.py
head_ref_oid: 1c3d8a7a2a129e31412b7e903ef75bcce7bca10b
artifact_dir: evidence/pull-bundles/vllm/gh-23819
---
# [Model][gpt-oss] Support DP+EP for GPT-OSS with FlashInfer trtllm-gen MoE

- Repository: `vllm-project/vllm`
- PR: [23819](https://github.com/vllm-project/vllm/pull/23819)
- Decision: `kernel file changes`
- Reason: kernel file changes

## Changed Paths

- `vllm/model_executor/layers/fused_moe/config.py`
- `vllm/model_executor/layers/fused_moe/layer.py`
- `vllm/model_executor/layers/quantization/mxfp4.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-23819`
