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Secludy 发布了「Who Sells Data」免费目录，收录 159 家向 AI 开发商出售训练数据、强化学习环境和评测的公司，每条信息均附来源与核查日期，且未知信息会明确标注而非猜测。
AI labs are increasingly buying code bases and workspace data (emails, chats, documents) from failing startups via firms like SimpleClosure and Sunset, as public and synthetic training datasets hit their limits. No clear benchmarks yet prove real-world archives outperform synthetic data, but deals are becoming routine, with valuations driven by speculative 'research theses' about data utility.
Data from drones in the Ukraine conflict is being used to train AI models for military and commercial purposes, fueling a new marketplace while highlighting governance challenges.
An in-depth analysis of the booming business of selling training data to frontier AI labs, detailing six distinct data products and the financial dynamics of the market.
AgentKey is a one-stop live data marketplace designed for AI agents to access real-time data.
The paper introduces DMVM, a decentralized multi-task dataset valuation framework that leverages task arithmetic and model merging to estimate dataset contributions without retraining or data sharing, enabling scalable and privacy-preserving valuation for data marketplaces.