Unverified60% confidenceFactExact time
RAG systems suffer from the 'Lost in the Middle' problem, where models tend to ignore information in the middle of a long context and favor the beginning and end.
2
Sources
60%
Confidence
Long-term
Relevance
8/6/2026
First Seen
Sources
Related Claims
VerifiedModels' recall of content at the beginning and end of the context window is significantly better than that of the middle portion, a phenomenon known as the "Lost in the Middle" problem.78% similarVerifiedLLMs exhibit a 'Lost in the Middle' phenomenon, where the model pays more attention to information at the beginning and end of the context while tending to overlook information in the middle.77% similar
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