# Charting the evolution of artificial intelligence mental health chatbots from rule‐based systems to large language models: a systematic review

> Research article (World Psychiatry, 2025) · cited 39× · AI/ML

**Wikidata**: [openalex:W4414167878](https://www.wikidata.org/wiki/openalex:W4414167878)  
**Source**: https://4ort.xyz/entity/charting-the-evolution-of-artificial-intelligence-mental-health-chatbots-from-rulebased-systems-to-large-language-models