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Needle-In-A-Haystack Retrieval research benchmarks – Page 2 · SOTA2 Research

Needle-In-A-Haystack Retrieval

Benchmarks

Dataset NameSOTA MethodSort

Dataset NameSOTA methodMetricTrendResultsLast Updated

BABILong 16K context length

MemDLM (Train & Inference)

22.2Needle-in-a-Haystack Accuracy (16K)

3

Mar 24, 2026

RULER 32K context length

MemDLM (Train & Inference)

15.35RULER-MV Retrieval Score

3

Mar 24, 2026

RULER 16K context length

MemDLM (Train & Inference)

29.4RULER-MV Score

3

Mar 24, 2026

94Success Rate (4K Context)

2

Apr 8, 2026

Page 2 of 2

Popular datasets

NIAH RULER NIAH-Single Needle-in-a-Haystack Babilong

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