Defined.ai: profile, pricing model and alternatives
Defined.ai is a data marketplace that sells ready-made and custom AI training datasets, especially speech and text, to developers and enterprises.
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Defined.ai at a glance
| Attribute | Value |
|---|---|
| Type | Data marketplace |
| Founded | 2015 |
| Headquarters | Seattle, US |
| Website | defined.ai |
| Data types | Speech and audio data, Licensed text corpora, Multimodal training data |
| Pricing models | Per-dataset license, Custom project quote |
| Buyers | AI developers and enterprises |
| Supply side | Data owners and its own collection programs. |
What Defined.ai offers
- Off-the-shelf datasets
- Custom data collection
- Data annotation
Reported facts about Defined.ai
Defined.ai is the rebranded DefinedCrowd, founded in 2015 by Daniela Braga and incorporated in Seattle, with an R&D centre in Lisbon.
Source: GeekWire and company announcements. As of 2026.
Strengths and limits of Defined.ai
Strengths
- Language and speech depth
- Mix of catalogue and custom work
Limits
- Less focus on frontier post-training data than the expert labs
Compare Defined.ai
- Human Native AI vs Defined.ai (content licensing marketplace)
Frequently asked questions
- What is Defined.ai?
- Defined.ai is a data marketplace that sells ready-made and custom AI training datasets, especially speech and text, to developers and enterprises.
- How does Defined.ai price its data?
- Defined.ai uses these pricing models: Per-dataset license, Custom project quote. Exact prices are generally quoted per engagement and are not published.
- Who buys from Defined.ai?
- AI developers and enterprises.
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