I have a mission-critical application and the case for Houndify is very persuasive, however, I am ethically very uncomfortable in support of proprietary platforms if a serious contender is in development by a Free and Open community.
Speech-to-Meaning
https://www.houndify.com/
Understand the meaning, not just the words. The Speech-to-Meaning TM engine delivers unprecedented speed and accuracy and can be integrated with mobile applications, cloud software, connected devices and, ultimately, the Internet of Things.