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Intermediate · Generative AI

Factuality

Visual diagram · (in preparation) · Math · (in preparation) · Worked example · 3 difficulty levels.

TL;DR. A property of a model whose output is grounded in factual reality.

Technical Definition

A property of a model whose output is grounded in factual reality.

How it works

Factuality refers to the degree to which a model's output aligns with real-world facts and information. While desirable for many applications, models may sometimes prioritize creativity or adherence to stylistic constraints over strict factuality, depending on the prompt and task.

Related Concepts

  • Hallucination — When an AI model generates confident, plausible-sounding content that is factually incorrect or fabricated.
  • Generative AI — An AI field focused on creating models that can generate novel and complex content, such as text, images, audio, and video, that is coherent and original.
  • Ground truth — The actual reality or outcome of a situation, used to assess model performance.

Further Reading

  • Google ML Glossary