Фактичность — это свойство выхода модели быть согласованным с реальностью или установленными фактами. Она особенно важна для question answering и информационных задач, хотя творческие задачи могут правомерно отдавать приоритет воображению над factual accuracy.
Within the ML world, a property describing a model whose output is based on reality. Factuality is a concept rather than a metric. For example, suppose you send the following prompt to a large language model: What is the chemical formula for table salt? A model optimizing factuality would respond: NaCl It is tempting to assume that all models should be based on factuality. However, some prompts, such as the following, should cause a generative AI model to optimize creativity rather than factuality. Tell me a limerick about an astronaut and a caterpillar. It is unlikely that the resulting limerick would be based on reality. Contrast with groundedness.