# Needle In A Haystack

Needle In A Haystack is an AI benchmark; this page records what it measures and traces its data, grader, and scores to primary sources.

Tests whether a language model retrieves a planted fact from increasingly long contexts and at different insertion depths.

## Details

- Address: Online, Global
- Website: [github.com/gkamradt/needle-in-a-haystack](<https://github.com/gkamradt/needle-in-a-haystack>)
- Tags: Viral, Science
- Category: Memory
- Status: Active
- Data licence: unknown
- Data access: open
- Grader: exact
- Organization: Greg Kamradt
- Released: 2023-11
- Repository: [github.com/gkamradt/needle-in-a-haystack](<https://github.com/gkamradt/needle-in-a-haystack>)
- Top-score provenance: unknown
- ABI family: No

## Questions

### Where is Needle In A Haystack?

Needle In A Haystack is at Online, Global.

### How do I contact Needle In A Haystack?

To contact Needle In A Haystack, visit https://github.com/gkamradt/needle-in-a-haystack.

## Source

From [Benchmark primary sources](https://aibenchmarkindex.com/about), license CC0-1.0, checked 2026-10-15.

Last updated October 15, 2026.

## Links

- This benchmark on the [web page](<https://aibenchmarkindex.com/global/online/needle-in-a-haystack>)
- [Memory in Online](<https://aibenchmarkindex.com/global/online/category/memory.md>)
- [More benchmarks in Online](<https://aibenchmarkindex.com/global/online.md>)

> **Check before you compare.** Benchmark methods and leaderboards change. Follow the cited primary source before using a result in a decision.