Ends in

Get up to $10 DISCOUNT on our AWS Solutions Architect Associate Reviewers!

Amazon Lex

  • A service that can help you build conversational interfaces using voice and text.
  • Uses automatic speech recognition (ASR) to convert speech to text.
  • Uses natural language understanding (NLU) for recognizing the intent of the text.
  • Provides highly-engaging user experiences and lifelike conversational interactions.
  • Gets more intelligent over time by using deep learning.

Common Use Cases

  • AI Chatbots
  • Tutorials dojo strip
  • Informational bots
  • Enterprise Productivity bots
  • Voice Assistants


  • Bots
    • Performs automated tasks such as ordering food or booking flights.
    • Supports multiple intents – for example, a bot can book a reservation or may choose to cancel it.
  • Intent
    • A set of actions given to a bot by a user.
    • Intent name
      • A description for the intent (e.g. ‘BookFlights’, ‘OrderFood’)
    • Sample utterances
      • Describes the tone of the intent.
    • How to fulfill the intent
      • Describes the method of fulfilling an intent.
      • Deeply integrates with AWS Lambda to fulfill the intent.
  • Slot
    • An optional parameter used as a part of the intent configuration.
    • Slot type
      • You can create a custom or built-in slot type.
      • Each slot type should have a unique name within an AWS account.


  • Pay-as-you-go payment model
  • $0.004 per voice request
  • $0.00075 per text request

Note: If you are studying for the AWS Certified Machine Learning Specialty exam, we highly recommend that you take our AWS Certified Machine Learning – Specialty Practice Exams and read our Machine Learning Specialty exam study guide.

AWS Certified Machine Learning Specialty Practice Exams


Tutorials Dojo portal

FREE AWS Exam Readiness Digital Courses

Enroll Now – Our Azure Certification Exam Reviewers

azure reviewers tutorials dojo

Enroll Now – Our Google Cloud Certification Exam Reviewers

Tutorials Dojo Exam Study Guide eBooks

tutorials dojo study guide eBook

Subscribe to our YouTube Channel

Tutorials Dojo YouTube Channel

FREE Intro to Cloud Computing for Beginners

FREE AWS, Azure, GCP Practice Test Samplers

Browse Other Courses

Generic Category (English)300x250

Recent Posts

Written by: Carlo Acebedo

Carlo is a cloud engineer and a content creator at Tutorials Dojo. He's also a member of the AWS Community builder and holds 5 AWS Certifications. Carlo specializes in building and automating solutions in the Amazon Web Services Cloud.

AWS, Azure, and GCP Certifications are consistently among the top-paying IT certifications in the world, considering that most companies have now shifted to the cloud. Earn over $150,000 per year with an AWS, Azure, or GCP certification!

Follow us on LinkedIn, YouTube, Facebook, or join our Slack study group. More importantly, answer as many practice exams as you can to help increase your chances of passing your certification exams on your first try!

View Our AWS, Azure, and GCP Exam Reviewers Check out our FREE courses

Our Community

passing rate
Around 95-98% of our students pass the AWS Certification exams after training with our courses.
Over 200k enrollees choose Tutorials Dojo in preparing for their AWS Certification exams.
Our courses are highly rated by our enrollees from all over the world.

What our students say about us?