# AI2 Reasoning Challenge

AI2 Reasoning Challenge is an AI benchmark; this page records what it measures and traces its data, grader, and scores to primary sources.

Tests grade-school science reasoning with natural multiple-choice questions split into easy and challenge sets.

## Details

- Address: Online, Global
- Website: [allenai.org/data/arc](<https://allenai.org/data/arc>)
- Tags: Helpful, Science
- Category: Science
- Status: Active
- Data licence: CC-BY-SA-4.0
- Data access: open
- Grader: exact
- Organization: Allen Institute for AI
- Released: 2018-03
- Paper: [arxiv.org/abs/1803.05457](<https://arxiv.org/abs/1803.05457>)
- Leaderboard: [leaderboard.allenai.org/arc](<https://leaderboard.allenai.org/arc>)
- Task count: 7,787
- Top-score provenance: unknown
- ABI family: No

## Questions

### Where is AI2 Reasoning Challenge?

AI2 Reasoning Challenge is at Online, Global.

### How do I contact AI2 Reasoning Challenge?

To contact AI2 Reasoning Challenge, visit https://allenai.org/data/arc.

## 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/ai2-reasoning-challenge>)
- [Science in Online](<https://aibenchmarkindex.com/global/online/category/science.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.