AI therapists are innovative tools transforming mental health care by offering 24/7, accessible, and personalized support. Utilizing artificial intelligence, natural language processing (NLP), and machine learning, these systems simulate empathetic interactions to help users manage stress, anxiety, and other emotional challenges. AI therapists provide evidence-based techniques such as cognitive-behavioral therapy (CBT) and mindfulness exercises, tailored to individual needs. Their affordability and anonymity make mental health care accessible to diverse populations, breaking barriers of cost, geography, and stigma. While not a substitute for human therapists, AI therapists complement traditional care, creating a scalable, inclusive approach to emotional well-being.