# Common Voice

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

Supports evaluation of speech recognition across languages, accents, and demographic groups using contributed recordings.

## Details

- Address: Online, Global
- Website: [commonvoice.mozilla.org/en/datasets](<https://commonvoice.mozilla.org/en/datasets>)
- Tags: Helpful, Science
- Category: Voice
- Status: Active
- Data licence: CC0-1.0
- Data access: open
- Grader: exact
- Organization: Mozilla
- Released: 2017-06
- Top-score provenance: unknown
- ABI family: No

## Questions

### Where is Common Voice?

Common Voice is at Online, Global.

### How do I contact Common Voice?

To contact Common Voice, visit https://commonvoice.mozilla.org/en/datasets.

## 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/common-voice>)
- [Voice in Online](<https://aibenchmarkindex.com/global/online/category/voice.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.