The AI training data market: prices, deals, buyers and cases (snapshot of 13 October 2026)

14 tables about the market for AI training data, compiled by AIData.Broker (aidata.broker/datasets) from public sources, 1,742 rows in all. Every row names the publication that stated it, the day it was read, the source link and, where one exists, a verbatim quote. Nothing in these tables is the compiler's own estimate.

• prices.csv (733 rows): Every price observation for AI training data: the figure as published, the side of the market, the figure per normalised unit, dates, source and the source's own words.
• market-rates.csv (93 rows): Median, middle half and range per normalised unit for each kind of data and side of the market, computed from the price observations, with the ids behind each.
• negotiation-levers.csv (35 rows): Negotiation levers for sellers and buyers of AI training data, each a quantified fact from the public record with sources and what to do with it.
• supply.csv (78 rows): Quantified facts about the sources of AI training data, by kind of data: who holds it, how much exists and the channel it reaches buyers through.
• deals.csv (95 rows): Disclosed licences of data to AI companies since July 2023: licensor, licensee, content, use, term, value where disclosed, source.
• buyers.csv (25 rows): Organisations with a public way to sell them data: what each buys, its published prices, eligibility, payment terms and introduction fees.
• cases.csv (68 rows): Lawsuits, rulings, settlements and regulatory actions over data used to train AI, with outcome and source.
• funding.csv (70 rows): Funding rounds, acquisitions and valuations of companies that buy, make or broker AI training data.
• financials.csv (195 rows): Revenue, run rates and ARR of data and expert-work vendors to AI labs, as published.
• market-log.csv (62 rows): Dated records of buyer programs, transactions, price ranges, referral terms and broker economics in company-data sales.
• software-terms.csv (18 rows): For 18 business systems: whether the owner can export its data, what the vendor's API terms say about training AI on data pulled through them, and the rights risk of the content, with quotes.
• rights-checks.csv (26 rows): The questions a buyer's counsel asks before licensing data: good answers, red flags, the kinds of data each applies to and whether it blocks a sale, with sources.
• licence-terms.csv (15 rows): The terms a data licence for AI training turns on: what buyers ask, where a seller should stand, the public evidence and its gaps.
• companies.csv (229 rows): Every organisation the datasets refer to, by id, with kind and description.

Snapshot of 13 October 2026. Current versions: aidata.broker/datasets. Licence: CC BY 4.0.