Yes, both Feyn and alphachat offer a Free Trial.
The starting price of alphachat begins at $399/month, while pricing details for Feyn are unavailable.
Feyn offers several advantages, including Named after Richard Feynman, Accessible through Twitter, Acts as personal assistant, Interactive through chat, NLP capabilities and many more functionalities.
The cons of Feyn may include a Only accessible through Twitter, No offline mode, May misunderstand user instructions, Reliant on user's internet connection. and Not specifically targeted for professional use
alphachat offers several advantages, including Quick setup, Efficiency improvement, Pre-trained in all languages, 24/7 service availability, Advanced FAQ handling and many more functionalities.
The cons of alphachat may include a Requires English for training, Possible disclosure of CRM data, Limited customization of widget triggers, Didn't mention encryption of data. and Some restriction in API usage