# Lost in the middle: test context position, not just size

Long-context benchmarks show that relevant-information position can change accuracy, but the effect is task- and model-dependent rather than a universal attention curve.

- Published: 2026-05-11
- Category: prompt-engineering
- Tags: attention, context-windows, llm, prompt-engineering
- HTML: https://harnez.ai/posts/u-shaped-attention-memory-llms/

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