# SQuAD 2.0

SQuAD 2.0 is an AI benchmark; this page records what it measures and traces its data, grader, and scores to primary sources.

Tests extractive reading comprehension and whether a system abstains when a Wikipedia passage does not answer the question.

## Details

- Address: Online, Global
- Website: [rajpurkar.github.io/SQuAD-explorer/](<https://rajpurkar.github.io/SQuAD-explorer/>)
- Tags: Science, Helpful
- Category: Reasoning
- Status: Active
- Data licence: CC-BY-SA-4.0
- Data access: open
- Grader: exact
- Organization: Stanford University
- Released: 2018-06
- Paper: [arxiv.org/abs/1806.03822](<https://arxiv.org/abs/1806.03822>)
- Leaderboard: [rajpurkar.github.io/SQuAD-explorer/](<https://rajpurkar.github.io/SQuAD-explorer/>)
- Top-score provenance: unknown
- ABI family: No

## Questions

### Where is SQuAD 2.0?

SQuAD 2.0 is at Online, Global.

### How do I contact SQuAD 2.0?

To contact SQuAD 2.0, visit https://rajpurkar.github.io/SQuAD-explorer/.

## 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/squad-2-0>)
- [Reasoning in Online](<https://aibenchmarkindex.com/global/online/category/reasoning.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.