Amazon Lex is a service for building conversational interfaces into any application using voice and text. Amazon 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. With Amazon Lex, the same deep learning technologies that power Amazon Alexa are now available to any developer, enabling you to quickly and easily build sophisticated, natural language, conversational bots (“chatbots”). Speech recognition and natural language understanding are some of the most challenging problems to solve in computer science, requiring sophisticated deep learning algorithms to be trained on massive amounts of data and infrastructure. Amazon Lex democratizes these deep learning technologies by putting the power of Amazon Alexa within reach of all developers. Harnessing these technologies, Amazon Lex enables you to define entirely new categories of products made possible through conversational interfaces. As a fully managed service, Amazon Lex scales automatically, so you don’t need to worry about managing infrastructure. With Amazon Lex, you pay only for what you use. There are no upfront commitments or minimum fees.
Botengine does a awesome job ,there is no limit to the number of chat our Botengine chatbot can respond to at the same time. Botengine assists our customer care team in responding to regular questions which our customers usually ask ; questions whose answer already lies on one section of the website or another. Therefore on most occasions ,Botengine simply refers our web visitors to sections of the website ,where the answer to their question lies.
Developed by one of the leaders in the AI space, IBM, Watson Assistant is one of the most advanced AI-powered chatbots on the market. Pre-trained with content from your specific industry, Watson Assistant can understand your historical chat or call logs, search for an answer in your knowledge base, ask customers for more clarity, direct them to human representatives, and even give you training recommendations to hone its conversational abilities.
ChattyPeople helps you build custom chatbots for Facebook and Slackbot. The platform can teach you the skills you need to make chatbots. It makes custom chatbots for small businesses, e-commerce, and enterprises. ChattyPeople thus creates, tests , deploys, and manages the bots within the chosen messaging app. It also provides you bot analytics to optimize the customer experience.

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