The Amazon Polly text-to-speech service lets you use high-quality, natural-sounding human voices in dozens of languages ​​for your applications, apps, websites, videos, and more. 

Amazon Polly uses deep learning technologies to synthesize natural-sounding human speech so you can convert articles into speech. With dozens of lifelike voices in a wide range of languages, Amazon Polly lets you build voice-activated applications.

Within the Amazon AWS free tier, 5 million characters can be used for free per month.