World Psychiatry· 2025Q1· Review
Charting the evolution of artificial intelligence mental health chatbots from rule‐based systems to large language models: a systematic review
- 93citations
- Q1SCImago
- 2025year
Short summary
A systematic review of 160 studies (2020-2024) reveals that while large language model (LLM)-based mental health chatbots surged to 45% of new research in 2024, only 16% underwent clinical efficacy testing, with most studies still in early validation stages.
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