Artificial Intelligence (AI) Service - Amazon Lex

Build bots with Conversational AI

What is Amazon Lex?

 Easily add AI that understands intent, maintains context, and automates simple tasks across many languages.

 Design and deploy omnichannel conversational AI in one click, without worrying about hardware or infrastructure.

 Connect seamlessly with other AWS services to query data, execute business logic, monitor performance, and more.

 Pay only for speech and text requests with no upfront costs or minimum fees.

Amazon Lex - Quickly Build Conversational Interfaces (1:57)

Use Cases

Build virtual agents and voice assistants

Enable self-service capabilities with virtual contact center agents and interactive voice response (IVR). Users can change a password or schedule an appointment without speaking to a human agent.

Automate informational responses

Design conversational solutions that provide responses to frequently asked questions. Improve Connect & Lex conversation flows for tech support, HR benefits, or finance with natural language search for FAQs powered by Amazon Kendra.

Improve productivity with application bots

Automate basic user tasks in your application with powerful chatbots. Seamlessly connect with other enterprise software through AWS Lambda and maintain granular access control through IAM.

Maximize the information trapped in transcripts

Design chatbots using existing contact center transcripts. Reduce design time from weeks to hours and accelerate bot deployment.
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Amazon Lex on the Free Tier
PRODUCT DESCRIPTION  FREE TIER OFFER DETAILS  PRODUCT PRICING

Amazon Lex

Conversational AI for Chatbots

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

12 MONTHS FREE

10,000 text requests per month

5,000 speech requests per month

Amazon Lex Pricing

Learn More About Amazon Lex

Browse through our collection of videos to learn more about Amazon Lex

  • Videos
  • Introduction to Conversation Design with Amazon Lex (27:26)
    AWS re:Invent 2021: Automated chatbot designer in Amazon Lex (20:13)
    Configure DTMF slots and ordered retry prompts with Amazon Lex (6:43)
    St. Louis University: Using Amazon Lex to Answer Students' Questions Through Alexa and a Mobile App (6:43)
  • Tutorials
  • Tutorials

    Start with these free and simple tutorials to explore Amazon Lex

    Introduction to Amazon Lex

    This course introduces you to the service, including how to create a bot and deploy it to different chat services. We also review use cases for the service.

    Learn more »

    Building Better Bots Using Amazon Connect

    This course will show you how to enhance the caller experience in your Amazon Connect call center using a custom chatbot created using Amazon Lex.

    Learn more »

    Amazon Lex V2 getting started: Streaming APIs

    In this step-by-step tutorial, you will learn how to configure your bot to manage speaker pauses and interruptions with streaming APIs.

    Learn more »

    Amazon Lex V2 getting started: Create a banking bot

    In this step-by-step tutorial, you will learn how to use Amazon Lex to create BB, the Banking Bot using the Amazon Lex V2 console and APIs.

    Learn more »

AWS Free Tier

The AWS Free Tier offers users an opportunity to explore products for free, with offers including products that are always free, free for 12 months, and short-term free trials.

Get Started

Creating an AWS account is free and gives you immediate access to the AWS Free Tier.