Synthetic Data

Synthetic data is information generated by AI itself, rather than collected from the real world, and it is increasingly used to train AI models. It can fill gaps where real data is scarce, sensitive, or expensive, but it also carries risks if overused. This hub explains what synthetic data is, why training depends on it, and what can go wrong.

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Venn diagram showing how generative AI models, the technology behind most synthetic data, fit within the broader fields of artificial intelligence and machine learning

What Is Synthetic Data — and Why Does AI Training Depend on It?

16 July 2026

Synthetic data — information generated by AI itself rather than collected from the real world — is quietly becoming a core ingredient in how AI models are trained.