Amazon Lex

Amazon Lex

Amazon Lex is a fully managed AI service for building conversational interfaces into any application using voice and text.

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Overview

Amazon Lex is a fully managed AI service for building conversational interfaces into any application using voice and text. Powered by the same technology as Alexa, it provides advanced natural language understanding (NLU) and automatic speech recognition (ASR). It enables developers to build, test, and deploy sophisticated chatbots quickly without managing infrastructure, integrating seamlessly with AWS services like Amazon Connect.

Key features

  • Advanced NLU
  • Automatic Speech Recognition (ASR)
  • Multi-turn Conversation Management
  • Amazon Connect Integration
  • One-click Deployment
  • Visual Conversation Designer
  • Streaming Conversation Support

Pricing

Free + paid
View pricing page

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Use cases

  • Customer Service Chatbots
  • Interactive Voice Response (IVR)
  • Informational Bots
  • Booking and Ordering Automation

Who it is for

Enterprise DevelopersContact Center OperatorsSolution Architects

Integrations

Amazon ConnectAWS LambdaAmazon KendraFacebook MessengerSlack

Tags

AWSNLU

How we verified this

Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.

Last verified 08/30/2026Verified sources: 1

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