Amazon Lex - AI Chat Builder

Add sophisticated, natural language, AI-powered chatbots to new and existing applications.

What is Amazon Lex?

Powered by the same technology as Alexa, Amazon Lex is an AI chat builder that allows users to interact with any application using natural language voice or chat. Use Amazon Lex to build and deploy conversational AI interfaces for any application. Integrating AI chat into existing business processes and use cases gives users more flexibility and support to get work done in ways that are natural to your users. AI chat experiences in customer-facing applications enhance customer satisfaction.

How it works

Amazon Lex is a fully-managed artificial intelligence (AI) service with advanced natural language models to design, build, test, and deploy AI chatbots and voice bots in applications. You can integrate it with foundation and large language models to answer complex questions using data from your enterprise knowledge repositories. Build continuous streaming chat capabilities so users can pause and restart multi-turn conversations as needed. Quickly build and deploy chatbots or voice bots to mobile devices and other chat services, reducing multi-platform development efforts. Amazon Connect, AWS' omnichannel contact center solution, integrates with Amazon Lex to provide conversational self-service for customers across channels at scale.

Benefits of Amazon Lex

Leverage scalable, secure generative AI

Create voice and text interfaces powered by generative AI. Amazon Lex provides an easy-to-use, secure, scalable end-to-end solution to build, publishdeploy, and monitor AI chatbots. Use the power of generative AI to allow users to complete tasks through voice and natural language interactions. Give users more options in how they interact with your applications and systems.

Drive efficiency with omnichannel engagement

Deploy your text and voice AI chatbots across mobile devices and chat services like Facebook Messenger, Slack, Kik, or Twilio SMS. Amazon Lex natively integrates with Amazon Connect, the AWS’ AI-powered cloud contact center, so you can build conversational AI bots that handle omnichannel customer queries across channels, including chat or phone. Pre-built integrations with other contact center solutions are also available.

Accelerate time to market with automation

Your developers can build an AI chatbot using natural language prompts. They can provide a natural language description to generate and refine a baseline bot as needed. Amazon Lex automated chatbot designer simplifies bot design by utilizing existing conversation transcripts. The Amazon Lex Visual Conversation Builder (VCB) allows everyone to contribute more to bot design. Launch AI-powered chat capabilities in hours instead of days.

Pay-as-you-go pricing

Pay only for what you use with no upfront commitments or minimum fees. Amazon Lex processes all inputs across multiple turns in one streaming API call or through multiple request-response API calls, depending on your AI chatbot design. Your usage is metered and billed per API request. Get free processing of 10,000 text requests and 5,000 speech requests per month for the first year.

Use cases

Customer service

Enable end-customer self-service capabilities across interactive voice response (IVR), chat, and SMS to solve customer queries quickly and efficiently.

Intelligent routing

Build text and voice AI chat interfaces that seamlessly connect customers to the right human agent in the contact center.

Enterprise productivity

Design conversational solutions that respond to frequently asked questions for technical support, HR benefits, finance and more.

AI chat-assisted application features

Allow users to complete end-to-end tasks like making a booking, raising a ticket, generating a report, submitting an application, and more using natural language or voice AI chat.