Meet Your Chatbot Personalities ChatGPT, Claude, Perplexity, and Grok may all answer questions, but they don’t think or talk the same way. ChatGPT feels like a polished helper, Claude like a patient thinker, Perplexity like a quick researcher, and Grok like a witty conversationalist. The reason isn’t magic — it’s how each was built and taught. Before comparing what they do differently, it helps to understand the two steps that shape every AI: modeling and training. 1. Modelin