Vendor review · licensed marketplace
Defined.ai
One of the older marketplaces for licensed training data — broad multi-modal catalog, marketplace model.
Facts checked against primary sources on July 21, 2026.
- Established catalog - years of speech/language datasets across many languages
- Marketplace convenience - browse and buy off-the-shelf
- Provenance depth varies by asset - diligence can be uneven
- AI-training rights not always explicit in the base licence
What Defined.ai is
Defined.ai operates a marketplace for AI training data alongside data-collection services. Founded in 2015 as DefinedCrowd by Daniela Braga and based in Seattle, it holds ISO 27001, 27701, and 42001 certifications. In January 2025 it announced a strategic engagement with Getty Images to sell commercially-safe image datasets.
Modalities and languages they cover
Audio and speech, text, image, video, and multimodal datasets. The company cites 1.6M+ contributors across 150+ countries and 500+ languages and dialects.
Sourcing model
A mix of licensed catalog datasets and commissioned collection through its contributor network.
Rights & provenance posture
Markets rights-cleared data and publishes a standard Data License Agreement; buyers should still confirm that each asset’s licence grants AI-training rights explicitly rather than general use.
Pricing
Per-dataset marketplace pricing plus custom collection quotes; no public price list.
Where Defined.ai falls behind
As a broad catalog, per-asset provenance depth varies; buyers running serious diligence often have to chase documentation. fiund’s whole model is that the paperwork travels with the file.
Defined.ai head-to-heads
Sources
- Defined.ai
- Defined.ai — Data License Agreement
- Barchart — Defined.ai strategic engagement with Getty Images (Jan 2025)
Alternatives
Weighing fiund as one of the alternatives? Read how fiund compares to Defined.ai — a first-party comparison that is explicit about where Defined.ai wins.
Frequently asked questions
Is Defined.ai rights-cleared for AI training?
Markets rights-cleared data and publishes a standard Data License Agreement; buyers should still confirm that each asset’s licence grants AI-training rights explicitly rather than general use.
What does Defined.ai cost?
Per-dataset marketplace pricing plus custom collection quotes; no public price list.
What are the best Defined.ai alternatives?
Depending on what you need, consider Troveo, Protege, Opendatabay. fiund itself focuses on owner-licensed, rights-cleared audio and video sourced to brief.
Want data you can actually defend in diligence?
fiund licenses real-world audio and video at the source, with the rights cleared before anything moves.
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