Amazon Lex- Helps build conversational interfaces into applications
You can effortlessly build conversational interfaces into any application using text and voice by employing Amazon Lex. Advanced deep learning functionalities of ASR (automatic speech recognition) for converting speech to text are made available to you by Amazon Lex. It enables you to build applications with highly engaging user experiences and realistic conversational interactions utilizing its natural language understanding (NLU) feature that seamlessly recognizes the intent of the text.

Amazon Lex brings deep learning technologies that power Amazon Alexa within reach of all developers, enabling them to swiftly build sophisticated, natural language, conversational bots (Chatbots) without facing any difficulty.

Most challenging problems to solve in computer science include speech recognition and natural language understanding. It requires complicated deep learning algorithms to be trained on enormous amounts of data and infrastructure. By putting the power of Amazon Alexa in the hands of all developers, Amazon Lex democratizes these deep learning technologies. Amazon Lex enables you to define completely new class of products made possible through conversational interfaces, by harnessing these technologies. Amazon Lex scales automatically as it is a fully managed service. Naturally, you don’t need to be concerned about managing infrastructure. There are no minimum fees or upfront commitments and you pay only for what you use.

Benefits

Easy to use

Easy-to-use console provided by Amazon Lex guides you through the whole process of creating chatbots so that you can create your chatbot in minutes and build conversational interfaces into your applications. A few example phrases need to be supplied and Amazon Lex creates a complete natural language model through which your user can effortlessly interact using text and voice, to pose questions, receive answers, and complete complicated tasks.
Seamlessly deploy and scale
There is no better way to build, test, and deploy chatbots than directly from the Amazon Lex console. Publish your text or voice chatbots to web apps, mobile devices and chat services like Facebook Messenger, Twilio SMS and Slack with relative ease employing Amazon Lex. Your Amazon Lex bot seamlessly processes text or voice input in conversation with your end-users, once it is published. You don’t need to be concerned about managing infrastructure and provisioning hardware to power your bot experience when user engagement increases, as Amazon Lex is a fully managed service.
Built-in integration with AWS
Built-in integration with AWS MobileHub, Amazon CloudWatch and AWS Lambda is provided by Amazon Lex and you can also easily integrate numerous other AWS services like Amazon DynamoDB and Amazon Cognito. You can take benefit of the unmatched power of the AWS platform for security, storage, monitoring, user authentication, business logic, and mobile app development.
Cost-effective
Minimum fees or upfront costs are not charged. Only speech and text requests made are chargeable. Low cost per request and pay-as-you-go pricing make Amazon Lex highly cost-effective solution meant to build conversational interfaces.
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