Microsoft Research: sliding window attention + sinks beats linear attention 10x on long context

burkov · x · 2026-09-03

A new Microsoft Research paper shows simple sliding window attention with attention sinks matches or exceeds post-trained linear attention models on standard benchmarks, and outperforms them by up to 10x on long-context reasoning — with no post-training required. The paper is now readable with an AI tutor on ChapterPal, despite its restrictive license.

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