---
id: pr-vllm-27363
repo: vllm-project/vllm
pr: 27363
title: Prefer FlashAttention MLA as default over FlashMLA
author: MatthewBonanni
date: '2025-11-11'
url: https://github.com/vllm-project/vllm/pull/27363
source_category: upstream-code
architectures:
- sm100
- sm90
tags:
- attention
- mla
techniques: []
hardware_features: []
kernel_types:
- attention
- mla
languages:
- cuda-cpp
captured_at: '2026-04-27'
status: merged
merge_sha: 684f2545851ee0ee49be9a80545ed497324f1a96
inclusion_reason: semantic match with file changes
changed_paths:
- vllm/platforms/cuda.py
head_ref_oid: a30f40e287644c0b35e21ef5ad45263b2e9ad53e
artifact_dir: evidence/pull-bundles/vllm/gh-27363
---
# Prefer FlashAttention MLA as default over FlashMLA

- Repository: `vllm-project/vllm`
- PR: [27363](https://github.com/vllm-project/vllm/pull/27363)
- Decision: `semantic match with file changes`
- Reason: semantic match with file changes

## Changed Paths

- `vllm/platforms/cuda.py`

## Evidence Bundle

`evidence/pull-bundles/vllm/gh-27363`
