# Defined.ai

A marketplace for licensed, multimodal AI training datasets.

- Website: https://www.defined.ai/
- Category: Data seller
- Type: Data marketplace
- Capabilities: Data licensing, Multimodal, Annotation
- Reviewed: 2026-09-09

## Overview

Defined.ai operates a marketplace for AI datasets and offers custom data services. Available data spans speech, language, images, and other modalities, including multilingual material.

## Products & services

- Dataset licensing through a marketplace.
- Custom collection and annotation.
- Data for model training and evaluation.

## Sources & references

- [Defined.ai products and research](https://www.defined.ai/)