Amazon Lex vs Fin

Amazon Lex plans

• Text requestsFree
• Speech requestsFree
• AWS Free TierFree
• Speech requestFree
• Text requestFree
• Automated chatbot designer$0.50, paid once

Fin plans

• Fin AI Agent$0.99 a month
• Fin AI Agent minimum$49 a month

Pick Amazon Lex if…

Lex suits builders creating voice or chat assistants for self-service, information, transactions, enterprise productivity, or device control. It may also fit teams that want to connect bots with AWS services or contact-center channels.

Pick Fin if…

You want what its maker publishes above — check its page for the details.