Data marketplace
By Gareth HoyleLast updated How we research
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, Datarade, Opendatabay and 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 suits one-off company archives where rights, de-identification and price need work before anyone sees a sample.
See AI data marketplaces compared for fees, payout times and fit side by side.