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AI data sourcing

How AI developers source data.

AI data sourcing is how developers obtain the data they train and test models on. The main channels are public web data, open datasets, commissioned annotation and data creation, synthetic generation, and licensing proprietary data from organisations that hold it. Licensed proprietary data is used when a model needs specialist, real-world content that other channels cannot supply.

Sourcing channels

ChannelStrengthLimitation
Public webScaleCopyright, quality, contamination
Open datasetsFree, documentedWidely used, less differentiating
Commissioned annotationTailoredCostly, artificial
Synthetic dataScalable, privateLacks real variation
Licensed proprietary dataSpecialist, realRequires rights and preparation

What buyers check

  • Provenance and rights
  • Privacy handling
  • Relevance to the target task
  • Format and documentation

Related

  • For AI labs (/for-ai-labs)
  • Data marketplace (/data-marketplace)
  • Who buys business data for AI? (/insights/who-buys-business-data-for-ai)

Related resources

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