# Data marketplace

URL: https://sellmydatatoai.net/glossary/data-marketplace

A data marketplace is an online platform where sellers list datasets and buyers browse, sample and license them, often with the platform taking a commission.

A data marketplace is a platform where data owners list datasets and buyers search, preview and license them on standard terms. The marketplace usually handles listing, discovery and payment, and takes a commission or listing fee.

## Which data marketplaces sell AI training data?

Data marketplaces that sell AI training data include [AWS Data Exchange](https://sellmydatatoai.net/data-buyers/aws-data-exchange), [Datarade](https://sellmydatatoai.net/data-buyers/datarade), [Opendatabay](https://sellmydatatoai.net/data-buyers/opendatabay) and [DataVendor](https://sellmydatatoai.net/data-buyers/datavendor). DataVendor, run by HUD, lists code repositories, raw data archives and RL environment tasksets. Opendatabay pays out within 30 days and accepts CSV, JSON, Parquet and ZIP files, according to a February 2026 report by GISuser.

## Is a marketplace or a broker better for company data?

A marketplace suits standard, repeatable datasets that buyers can judge from a listing. A [data broker](https://sellmydatatoai.net/glossary/data-broker) suits one-off company archives where rights, de-identification and price need work before anyone sees a sample.

See [AI data marketplaces compared](https://sellmydatatoai.net/guides/ai-data-marketplaces-compared) for fees, payout times and fit side by side.