Amazon Lex is a service for building conversational interfaces into any application using voice and text. It powers the

Amazon Alexa Amazon Alexa, also known simply as Alexa, is a virtual assistant technology largely based on a Polish speech synthesiser named Ivona, bought by Amazon in 2013. It was first used in the Amazon Echo smart speaker and the Echo Dot, Echo Studio ...

virtual assistant An intelligent virtual assistant (IVA) or intelligent personal assistant (IPA) is a software agent that can perform tasks or services for an individual based on commands or questions. The term " chatbot" is sometimes used to refer to virtua ...

. In April 2017, the platform was released to the developer community, and suggested that it could be used for conversational interfaces (

chatbots A chatbot or chatterbot is a software application used to conduct an on-line chat conversation via text or text-to-speech, in lieu of providing direct contact with a live human agent. Designed to convincingly simulate the way a human would behav ...

or otherwise) including Web, mobile apps, robots, toys, drones, and more. Amazon already had launched Alexa Voice Services, which developers can use to integrate Alexa into their own devices, like smart speakers, alarm clocks, etc.; however, Lex will not require that end users interact with the Alexa assistant per se, but rather any type of assistant or interface. As of February 2018, users can now define a response for Amazon Lex chatbots directly from the AWS management console.

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* {{Software-stub Natural language processing software Amazon (company) Software developer communities