Drift provides conversational marketing and sales software powered by both automation (rule-based) and artificial intelligence (NLP). According to their website, "Drift's conversational AI is trained on over 6 billion conversations to identify the patterns that engage and convert visitors into qualified pipeline." This means the machine learning that the chatbot comes with is already pre-trained and ready to go.
Imperson builds chatbot solutions, which through conversation, naturally automates the customer journey. An authentic customer chat experience is provided by this conversational bot. Imperson helps you from setting the goals of the chatbot to identifying the correct voice and personality. The platform offers an integrated analytics platform of real-time feedback to improve performance with a completely controlled solution.