Anthropic vs. ChatGPT: Who ya got? The AI giants behind two of the world's most popular chatbots, Claude and ChatGPT, have escalated their beef. Now people are picking sides . (It looks like Katy Perry picked Claude Pro … and she liked it .) It could represent a new stage in the AI wars. One where people settle down with one chatbot instead of playing the field. In case you're out of the loop: Anthropic and the Department of Defense disagreed over the government's usage of its tech. Anthropic