What is Amazon Lex?
Lex provides the advanced deep learning functionalities of automatic speech recognition (ASR) for converting speech to text, and natural language understanding (NLU) to recognize the intent of the text, to enable you to build applications with highly engaging user experiences and lifelike conversational interactions.
What is Dialogflow?
Give users new ways to interact with your product by building engaging voice and text-based conversational apps.
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