Lex PNG and SVG Icon
Amazon Lex is a service for building conversational interfaces using voice and text, powered by the same deep learning technology as Alexa.
Last Modified: August 10, 2025

16px
32px
48px
64px
Details
Key Features
- Build conversational interfaces using voice and text.
- Uses the same ASR and NLU technology as Alexa.
- Integrates with Lambda and other AWS services.
- Supports multi-turn conversations.
Common Use Cases
- Creating conversational chatbots
- Building voice-enabled customer service systems
- Automating appointment scheduling via voice assistants
Explore More Icons
CloudWatch
Amazon CloudWatch monitors AWS resources and applications, providing metrics, logs, and alarms for visibility and automation.
Compute Optimizer
AWS Compute Optimizer uses machine learning to recommend optimal AWS compute resources for your workloads to reduce cost and improve performance.
Cloud WAN
AWS Cloud WAN simplifies the management of wide area networks (WANs) by connecting on-premises and cloud environments with a central dashboard.
Augmented AI A2I
Amazon Augmented AI (A2I) enables human reviews for ML predictions to improve accuracy in critical workflows like document processing and moderation.
HTTP Notification
AWS HTTP Notification typically refers to using Amazon SNS or EventBridge to send notifications via HTTP endpoints in real-time.
TensorFlow on AWS
TensorFlow on AWS offers optimized tools and infrastructure for training and deploying TensorFlow models across AWS services.
Elemental MediaPackage
AWS Elemental MediaPackage prepares and protects video for delivery over the internet to connected devices.
Chatbot
AWS Chatbot is an interactive agent that helps you monitor and interact with AWS resources from chat platforms like Slack or Microsoft Teams.
FreeRTOS
FreeRTOS is an open-source, real-time operating system for microcontrollers that enables low-power, small-footprint edge devices to connect securely to AWS cloud services.
Compute Auto Scaling
AWS Auto Scaling automatically adjusts the capacity of your AWS resources to maintain steady, predictable performance at the lowest possible cost.
Certificate Manager
AWS Certificate Manager (ACM) lets you easily provision, manage, and deploy public and private SSL/TLS certificates for secure web applications.
Supply Chain
AWS Supply Chain is a cloud-native application that provides real-time visibility, insights, and analytics to help manage and optimize global supply chains.
Rekognition
Amazon Rekognition is a computer vision service that enables image and video analysis for face detection, object recognition, and more.
Wickr
Amazon Wickr is an end-to-end encrypted messaging and collaboration service designed for secure communications, file sharing, and compliance in enterprises and government.
Lambda
AWS Lambda is a serverless compute service that lets you run code without provisioning or managing servers, triggered by events and scaled automatically.
Mainframe Modernization
AWS Mainframe Modernization provides tools and infrastructure to migrate, run, and modernize mainframe applications on AWS.
Elemental Appliances Software
AWS Elemental Appliances and Software offer on-premises solutions for live and on-demand video workflows with seamless AWS integration.
ECS Service
Amazon ECS Service manages the running of long-lived containers on a cluster, handling tasks like scaling and load balancing automatically.
CodeGuru
Amazon CodeGuru is a developer tool that provides intelligent code reviews and performance recommendations using machine learning.
DeepLens
AWS DeepLens is a deep learning-enabled video camera for developers to run ML models locally on edge devices in real time.
IoT Button
The AWS IoT Button is a programmable, Wi-Fi-enabled device that integrates with AWS IoT Core and allows developers to test cloud-based IoT applications.
Translate
Amazon Translate is a neural machine translation service that delivers fast, high-quality, and customizable language translation.
Route 53
Amazon Route 53 is a scalable and highly available Domain Name System (DNS) web service for domain registration and traffic routing.
MySQL Instance
MySQL Instance in Amazon RDS offers a managed MySQL database environment with automated administration and scaling.