Amazon Lex

Build chatbots with conversational AI

10,000 text and 5,000 speech requests free for 12 months

with the AWS Free Tier 

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.

How it works

Amazon Lex is a fully managed artificial intelligence (AI) service with advanced natural language models to design, build, test, and deploy conversational interfaces in applications.
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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.

Read the blog »

How to get started

Learn how Amazon Lex works

Find out more about conversational AI, automatic speech recognition (ASR), natural language understanding (NLU), and more.

Explore Amazon Lex features »

Explore hands-on training

Learn how to create a bot, use streaming APIs to manage interruptions, and deploy your bot across services.

Check out our tutorials »

Try the AWS Free Tier

Pay nothing or try for free while learning the fundamentals and building on Amazon Lex.

Sign up for a free account »

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