ChatGPT was the first AI system that many people talked to directly. Its name became shorthand for AI itself, and it still dominates the AI chatbot market worldwide. So, it was a surprise that in a recent study by British company Prolific, it only placed eighth. It was bested by two Gemini models, two versions of DeepSeek, a couple of Groks, and the French AI bot — Mistral Magistral. ChatGPT usually does a bit better than that in independent rankings. According to Prolific, that because those...