Mozilla Common Voice

What it is

Common Voice is Mozilla's crowdsourced, CC0-licensed multilingual speech corpus, now covering 100+ languages including many African, Indic, and minority European languages that commercial STT vendors skip. Common Voice is the dataset behind a long tail of regional ASR models published on Hugging Face — not a recognition product itself, but a load-bearing input for every team building one. Best fit when the buyer is researchers and teams training low-resource language asr from a public-domain corpus. The honest caveat: it is a dataset, not a recognition product; consent and quality vary across language splits. As with any open-weights release, the integrator owns hosting, scaling, and SLA — but the licensing cost is zero and the model can be fine-tuned on in-house audio.