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Amazon Lex

Build conversational voice and text interfaces, using the same deep learning technologies as Alexa
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What is Amazon Lex?

Lex provides the advanced deep learning functionalities of automatic speech recognition (ASR) for converting speech to text, and natural language understanding (NLU) to recognize the intent of the text, to enable you to build applications with highly engaging user experiences and lifelike conversational interactions.
Amazon Lex is a tool in the Chatbot Platforms & Tools category of a tech stack.

Who uses Amazon Lex?

Companies
9 companies reportedly use Amazon Lex in their tech stacks, including Paralect, Digital Services, and CommonBond.

Developers
75 developers on StackShare have stated that they use Amazon Lex.

Amazon Lex Integrations

AWS Lambda, Amazon Polly, A-Frame, Amazon Sumerian, and Botanalytics are some of the popular tools that integrate with Amazon Lex. Here's a list of all 7 tools that integrate with Amazon Lex.
Pros of Amazon Lex
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Easy console
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Built in chat to test your model
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Easy integration
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Great voice
Decisions about Amazon Lex

Here are some stack decisions, common use cases and reviews by companies and developers who chose Amazon Lex in their tech stack.

Arthur Boghossian
DevOps Engineer at PlayAsYouGo · | 3 upvotes · 53.7K views

For our Compute services, we decided to use AWS Lambda as it is perfect for quick executions (perfect for a bot), is serverless, and is required by Amazon Lex, which we will use as the framework for our bot. We chose Amazon Lex as it integrates well with other #AWS services and uses the same technology as Alexa. This will give customers the ability to purchase licenses through their Alexa device. We chose Amazon DynamoDB to store customer information as it is a noSQL database, has high performance, and highly available. If we decide to train our own models for license recommendation we will either use Amazon SageMaker or Amazon EC2 with AWS Elastic Load Balancing (ELB) and AWS ASG as they are ideal for model training and inference.

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Amazon Lex's Features

  • High quality speech recognition and natural language understanding
  • Multi-turn conversations
  • Context management
  • Utility prompts
  • Integration with AWS Lambda
  • Connect to enterprise systems
  • Powerful lifecycle management capabilities
  • One-click deployment to multiple platforms

Amazon Lex Alternatives & Comparisons

What are some alternatives to Amazon Lex?
Microsoft Bot Framework
The Microsoft Bot Framework provides just what you need to build and connect intelligent bots that interact naturally wherever your users are talking, from text/sms to Skype, Slack, Office 365 mail and other popular services.
IBM Watson
It combines artificial intelligence (AI) and sophisticated analytical software for optimal performance as a "question answering" machine.
Alexa
It is a cloud-based voice service and the brain behind tens of millions of devices including the Echo family of devices, FireTV, Fire Tablet, and third-party devices. You can build voice experiences, or skills, that make everyday tasks faster, easier, and more delightful for customers.
Dialogflow
Give users new ways to interact with your product by building engaging voice and text-based conversational apps.
Amazon Polly
Amazon Polly is a service that turns text into lifelike speech. Polly lets you create applications that talk, enabling you to build entirely new categories of speech-enabled products. Polly is an Amazon AI service that uses advanced deep learning technologies to synthesize speech that sounds like a human voice.
See all alternatives

Amazon Lex's Followers
238 developers follow Amazon Lex to keep up with related blogs and decisions.