In the race to build brands around AI assistants, the stakes are higher than empathy. This week's debut brand marketing campaigns from OpenAI and Anthropic made that clear, and in retrospect, cast Perplexity's earlier campaign in a sharper light. These aren't brands trying to be relatable. They're trying to normalize a seismic shift in human-machine interaction. As Neil Barrie, co-founder and global CEO of TwentyFirstCenturyBrand, put it: "All of them are building brands around weapons grade power."