IBM Watson Text-to-Speech

IBM Watson Text to Speech is a cloud-based service from IBM that converts written text into natural-sounding speech. Part of the IBM Watson suite of AI services, it uses advanced machine learning and deep neural networks to deliver high-quality, human-like speech in various languages and voices. The service is widely used in applications such as virtual assistants, customer support, accessibility tools, and interactive voice response (IVR) systems.

Pricing: Charged by the number of characters converted to speech.
Cost: Approximately $0.02 per 1,000 characters for standard voices and $0.06 per 1,000 characters for neural voices.

IBM Watson Text-to-Speech video tutorials

Speech To Text with IBM Watson
How To Download IBM Watson Text To Speech Audio – The simple way
text to speech using IBM Watson’s Website