Life2vec is an artificial intelligence tool that predicts an individual's life expectancy with an accuracy of 78%. This tool is based on a study of data from 6 million Danes and can predict life expectancy based on factors such as income, occupation, and medical records. Life2vec can also estimate an individual's financial situation at the time of death. The research findings were published in the journal 'Nature'. The study utilized technology behind ChatGPT, representing each person as a series of life events. Researchers analyzed various aspects of individual life stories using algorithms to determine certain outcomes.