What are some alternatives?
When comparing Amazon Lex and IBM Watson Assistant, you can also consider the following products
Tars - TARS enables users to create chatbots that replaces regular old webforms.
Aivo - Skyrocket your Customer Service and Sales KPIs with a Chatbot powered by Artificial Intelligence. Give time back to people.
Verloop - Verloop is a multi-channel customer support and engagement automation chat system.
Zendesk Answer Bot - Chatbots
SentiOne - Insightful social listening and online reputation management platform.
Dialogflow - Conversational UX Platform. (ex API.ai)