159 AI training data and RL environment vendors, cataloged and comparable
rohanpaul_ai · x · 2026-10-15
- Who Sells Data catalogs 159 vendors of AI training data and RL environments (updated Oct 13, 2026), filterable by offering, domain, and data source, with up-to-4 comparison.
- Vendor types include:
- Human/expert data: e.g. 6thSense sells synchronized touch, video and motion data from wearable sensors for dexterous robot training
- RL envs & evals: e.g. Abundant and AfterQuery supply RL environments, benchmarks and training datasets for labs, spanning coding, computer use, finance, legal, medical
- Each listing shows funding and a fact-checked date, with facts linked to sources.
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