Lex bot costing
Just like the other services that we talked about here, Amazon Lex is also a pay-as-you-go service. With Connect, Lex provides the bot interfaces and Natural Language Processing (NLP) required for your contact flow to offer the user experience enhancements that we talked about in Chapter 1, Benefits of Amazon Connect. How AWS charges for Lex is by voice and text request. Amazon charges $0.004 per voice request and $0.00075 per text request. As with Lambda, the costs for Lex are meager. Like Lambda, the nature of call centers and the amount of service use will also keep your costs low.
Lex is another service where you can't estimate costs until you sketch out some ideas about how your contact flows will operate. You will need to estimate the number of locations at which you will be using Lex. I want to be clear on the types of interactions that Lex works with. Lex is not used in a situation where you would have a prompt saying, "press one to check order...