Based on our record, Api.ai seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Also, when I try to find more help in the AutoVoice documentation/help menu under the Advanced Commands section it points me to an outdated dead end: a now "private" YouTube video and the URL https://api.ai which is a dead URL. Source: over 1 year ago
Amazon Polly - Named for a parrot, Amazon Polly is a text-to-speech (TTS) software that makes your text come to life in a natural, authentic way. The software has many lifelike voices, both male and female, and in a variety of languages.
Botpress - Open-source platform for developers to build high-quality digital assistants
Snips Voice Platform - The first AI-powered voice assistant with privacy
Dialogflow - Conversational UX Platform. (ex API.ai)
Real-Time Voice Cloning - Free open source AI voice cloning and text to speech synthesis. Clone a voice in 5 seconds to generate arbitrary speech in real-time
Messenger Platform - Discovery, chat extensions, and richer experiences