Needle in a Haystack
conceptai_benchmark
Overview
Developed byGreg Kamradt
Open source✓ Open Source
Use casetesting LLM recall of a specific fact placed at varying positions in long context
Knowledge graph stats
Claims9
Avg confidence95%
Avg freshness99%
Last updatedUpdated yesterday
Trust distribution
100% unverified
Governance

Needle in a Haystack

concept — also known as: NIAH

Evaluation testing LLM ability to retrieve specific information embedded in long context windows

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used by

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GoogleUnverifiedHighFresh1
AnthropicUnverifiedHighFresh1

evaluates

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long-context information retrieval at different context depthsUnverifiedHighFresh1

open source

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trueUnverifiedHighFresh1

primary use case

ValueTrustConfidenceFreshnessSources
testing LLM recall of a specific fact placed at varying positions in long contextUnverifiedHighFresh1

first released

ValueTrustConfidenceFreshnessSources
2023UnverifiedHighFresh1

developed by

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Greg KamradtUnverifiedHighFresh1

implemented by

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LangChainUnverifiedModerateFresh1
HaystackUnverifiedModerateFresh1

Related entities

Claim count: 9Last updated: 4/9/2026Edit history