Relationships & loneliness·Overview
Interaction with AI companions and psychological well-being
Zhang, Zhao, Hancock, Kraut, Yang — Stanford; Nature Human Behaviour, sierpień 2026
The loneliest seek company in AI — and grow lonelier still.
Zhang, Zhao, Hancock, Kraut and Yang at Stanford published in Nature Human Behaviour a study of 1,131 adult Character.AI users. 244 of them voluntarily donated their full conversation logs — 4,664 threads, nearly 460,000 messages — allowing what people say about their use to be set against how they actually talk.
People with smaller social networks more often reported using the chatbot primarily for companionship, which in turn was associated with lower psychological well-being. The association was stronger when conversations were intensive and when the user disclosed many personal matters. The effect depended on the pattern of use and on life beyond the screen — not on use as such.
The strongest journal in this group, and a study that pairs a survey with real conversations. For personal use the lesson is hard: those whom AI comforts most are those it harms most — because short-term comfort, for the loneliest, closes the loop instead of breaking it. Caveat: cross-sectional data, so the direction of the link needs longitudinal work.
From the original
„Smaller social networks were associated with reporting companionship as the primary chatbot use, which in turn was associated with lower well-being.”
Smaller social networks were associated with reporting companionship as the primary chatbot use, which in turn was associated with lower well-being.
- Year
- 2026
- Original language
- EN
- Source
- Zhang, Zhao, Hancock, Kraut, Yang — Stanford; Nature Human Behaviour, sierpień 2026
An overview in the EPIQ team’s own words, not a translation. The full text remains with the publisher — link below. Quotations are short, verbatim and attributed, within the right of quotation.