In Forrester's evaluation of the emerging market for conversational AI for customer service, we identified the 14 most significant providers in the category — [24]7.ai, Aivo, Avaamo, Cognigy, eGain, Inbenta Technologies, Interactions, IPsoft, Kore.ai, LogMeIn, Nuance Communications, Omilia, Salesforce, and Verint— and evaluated them. This report details our findings about how well each vendor scored against 10 criteria and where they stand in relation to each other. Customer service application professionals can use this review to select the right partner for their conversational AI needs.