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Amazon Lex vs IBM watsonx Assistant

Amazon Lex

8.1 #2 in Chatbot Builders

About Amazon Lex

IBM watsonx Assistant

8.0 #3 in Chatbot Builders

About IBM watsonx Assistant

	Amazon Lex	IBM watsonx Assistant
Free plan	Yes	Yes
Free trial		Yes
Paid from	$0.50/mo	$140/mo
Platforms	Android, api, iOS, Web	api, self-hosted, Web
Free plan	No	Yes
Deployment channels	multichannel	multichannel
Visual flow builder	Yes	Yes
AI bot generation	Yes	Yes
Knowledge-base answers	Yes	Yes
Human handoff	Yes	Yes

Listed together in Best Chatbot Builders Best Conversational AI Platforms