With Amazon Lex, there are no upfront costs or minimum fees. You are only charged for the text or speech requests that are made. Amazon Lex’s pay-as-you-go pricing and low cost per request make it a cost-effective way to build conversational interfaces anywhere. With the Amazon Lex free tier, you can easily try Amazon Lex without any initial investment.

Amazon Lex provides built-in integration with AWS Lambda and Amazon CloudWatch and you can easily integrate with many other services on the AWS platform including Amazon Cognito and Amazon DynamoDB. You can take advantage of the power of the AWS platform for security, monitoring, user authentication, business logic, storage, and mobile app development.

With Amazon Lex, you can easily build, test, and deploy your chatbot everywhere across all your channels and platforms. This includes mobile devices, web apps, and chat services such as Facebook Messenger, Slack, and Twilio SMS. Amazon Lex is a fully managed service that automatically scales with usage, so you don’t need to worry about provisioning hardware and managing infrastructure to power your bot.

Amazon Lex provides an easy-to-use console to guide you through the process of creating your chatbot or conversational interface in minutes. Just supply a few example phrases and Amazon Lex builds a complete natural language model through which your user can interact using voice and text, to ask questions, get answers, and complete sophisticated tasks.