# RULER

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

Measures effective context length with configurable synthetic tasks that go beyond simple needle retrieval.

## Details

- Address: Online, Global
- Website: [github.com/NVIDIA/RULER](<https://github.com/NVIDIA/RULER>)
- Tags: Helpful, Science
- Category: Memory
- Status: Active
- Data licence: Apache-2.0
- Data access: open
- Grader: exact
- Organization: NVIDIA
- Released: 2024-04
- Paper: [arxiv.org/abs/2404.06654](<https://arxiv.org/abs/2404.06654>)
- Repository: [github.com/NVIDIA/RULER](<https://github.com/NVIDIA/RULER>)
- Task count: 13
- Top-score provenance: unknown
- ABI family: No

## Questions

### Where is RULER?

RULER is at Online, Global.

### How do I contact RULER?

To contact RULER, visit https://github.com/NVIDIA/RULER.

## 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/ruler>)
- [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.