Norynta Data › Language data index › Czech

Czech (Čeština) speech data for AI

How much open Czech speech data exists, where the gaps are, and how to get consented Czech data collected.

76validated hours (Common Voice)
273recorded hours
1,155speakers
#46 / 445rank by validated hours

That is enough to start experiments, but far short of production speech recognition, which typically uses thousands of hours. Conversational, accent-balanced and domain-specific Czech audio remains scarce.

Source: Mozilla Common Voice language statistics, fetched 2026-11-05. Figures cover the open Common Voice corpus only.

Need Czech data?

We recruit native Czech speakers and collect to your spec: read prompts or natural two-person conversation, transcripts in the native script, speaker age, gender and region labels, noise and synthetic-voice checks, and a consent record for every file. Shared or exclusive licence.

Request Czech data

Speak Czech?

Čeština

Join the contributor waitlist and we'll email you paid Czech recording and writing projects when they open. You record on your phone and are paid once your work is accepted.

Join as a Czech contributor

Questions

Where can I get Czech speech data for AI training?

Norynta collects Czech speech data to order from consenting native speakers: read prompts, natural conversations, transcripts and private evaluation sets, with a consent and origin record for every file. Request it at collect.norynta.com/buy. For open data, Mozilla Common Voice has 76 validated hours of Czech (as of 2026-11-05).

How much open Czech speech data is available?

As of 2026-11-05, Mozilla Common Voice lists 76 validated hours and 273 recorded hours of Czech from 1,155 speakers, ranking 46 of 445 languages by validated hours.

Can I get paid to record Czech?

Yes. Native Czech speakers can join Norynta's contributor waitlist at collect.norynta.com/join. We email paid recording and writing projects in Czech when they open, and pay once the work is accepted.

Languages with similar coverage