Companies / Data vendor
NaijaVoices
A Nigerian speech dataset in Hausa, Igbo and Yoruba that grants commercial rights in exchange for a donation. Recorded here: 3 public prices.
Latest record 14 Oct 2026
Public prices involving NaijaVoices
- NaijaVoices suite of speech-text datasets (Hausa, Igbo and Yoruba; 1,800+ hours from 5,000+ speakers): the Supporter tier that adds a waiver for commercial use
A community project's minimum donation for commercial rights, not a negotiated price; the default licence (CC BY-NC-SA 4.0) is free for non-commercial use. Read speech of expert-written sentences, so it sits far below conversational listings.
A catalogue or marketplace listing, NaijaVoices, Membership tiers
Donate $5,000 or Moreper commercial-use waiver for the suite of 1,800+ hours
- NaijaVoices: total cost of creating its 1,800+ hour speech-text dataset in Hausa, Igbo and Yoruba
The producer's own statement of what the dataset cost to make (sentence writing, recording, double review), set against its $5,000 commercial waiver: the commercial right sells at about 1 percent of production cost.
The payer's own page, NaijaVoices, Membership FAQ
substantial (>$600k)per dataset of 1,800+ hours
- NaijaVoices: the rate it costs per hour of recording by its Nigerian 'data farmers' (Hausa, Igbo, Yoruba read speech)
The rate NaijaVoices uses to turn a donation into hours of speech data; the page also states $0.12 per sentence written, a double review of all output, each sentence recorded twice and at most 5 hours per speaker.
The payer's own page, NaijaVoices, Membership: donation impact calculation breakdown
rate of $30/hour for recordingper hour of recording
Cite this
AIData.Broker, “NaijaVoices in the AI training data market”, reviewed 14 Oct 2026. https://www.aidata.markets/companies/naijavoices
Free to reuse under CC BY 4.0 if you credit AIData.Broker and link to this page. Each row names the publication that stated it, and words quoted from a source keep that source's own terms.