Amazon Lex
Conversational AI on AWS. We build chatbots and voice bots using Amazon Lex that integrate with your AWS infrastructure and Amazon Connect contact centre.
Amazon Lex capabilities
Amazon Lex provides the same conversational engine that powers Alexa, integrated with AWS services for enterprise chatbot and voice bot development.
Amazon Lex V2
The current generation of Lex with improved conversation management, streaming capabilities and multi-language support.
Amazon Connect
Cloud contact centre service with native Lex integration for voice bots that handle customer calls with natural conversation.
Bedrock integration
Combine Lex conversation management with Bedrock foundation models for more natural, intelligent responses.
Why Amazon Lex
For AWS-first organisations, Lex provides conversational AI that integrates naturally with your existing cloud infrastructure.
AWS integration
Native integration with Lambda, DynamoDB, S3, CloudWatch and other AWS services you already operate.
Voice and text
Build once and deploy as both text chatbots and voice bots with automatic speech recognition and text-to-speech.
Amazon Connect
Seamless integration with Amazon Connect for contact centre deployments with IVR replacement and agent assist.
Pay-per-use pricing
No upfront costs or minimum commitments. Pay only for the speech and text requests your bots process.
Multi-language
Support for multiple languages and locales with the same bot definition, reducing duplication and maintenance.
Automated testing
Built-in conversation testing tools for validating bot behaviour before deployment with batch test sets.
Use cases for Amazon Lex
Contact centre automation
Voice bots on Amazon Connect that handle common enquiries, collect information and route calls intelligently.
Customer self-service
Chatbots for account queries, order tracking, appointment booking and other routine customer interactions.
IVR replacement
Replace touch-tone IVR systems with natural language voice bots that understand what callers actually say.
Internal helpdesk
Employee-facing bots for IT support, HR queries and operational requests integrated with AWS-hosted systems.
Appointment scheduling
Voice and text-based scheduling bots connected to calendar systems and booking platforms.
Order management
Bots that check order status, process returns and handle modifications connected to your fulfilment systems.
Deployment and channels
Lex bots deploy on AWS and connect to multiple conversation channels through built-in integrations and APIs.
Amazon Connect
Native voice integration for contact centre deployments with call routing and agent assist.
Web and mobile
Embed chatbots in websites and mobile applications using the Lex runtime API.
Messaging platforms
Connect to Facebook Messenger, Slack, Twilio SMS and other channels via integrations.
Frequently Asked Questions
How does Lex compare to Dialogflow CX?
Both are enterprise conversational AI platforms. Lex is the natural choice for AWS-first organisations, especially those using Amazon Connect. Dialogflow CX suits Google Cloud environments.
Can we add generative AI to Lex bots?
Yes. Amazon Bedrock models can be integrated with Lex to provide more natural, contextual responses alongside structured conversation flows.
Is Lex suitable for voice applications?
Yes. Lex includes automatic speech recognition and text-to-speech. Combined with Amazon Connect, it provides a complete voice bot platform.
What does Lex cost?
Lex uses pay-per-use pricing based on speech and text requests. There are no upfront costs or minimum commitments, making it economical to start small.
Build with Amazon Lex
We help AWS organisations build conversational AI that integrates with their infrastructure. Book a call to discuss your requirements.