Chatbot is an umbrella term that large language models fall under. It can apply to a customer service answer bot with limited canned responses, as well as a more sophisticated tool like ChatGPT.  We specifically test chatbots that use a form of AI called large language models. They use vast quantities of data to “learn” patterns in the information and predict user intent based on questions or prompts. No answers are canned or pre-determined. They are uniquely generated for each conversation between human and machine, during which the model remembers recent exchanges and builds on the information in a natural, human-like way.