BAAI/bge-m3 lost accuracy under flash attention until the Sentence Transformers patch

tomaarsen · x · 2026-07-23

BAAI/bge-m3 got noticeably worse under flash attention before the fix:

After the patch, quality returns exactly while keeping the packing speedup.

Related event: Flash Attention Causes Performance Drops in BGE-M3 and Other Models(2 posts)→

Original post →

More from Research

Research channel →