Anthropic’s Claude chatbot has opinions of its own, and it’s not afraid to share them. “It should be a sparring partner with you,” says Joel Lewenstein, Anthropic’s design chief. “It shouldn’t take your thoughts verbatim. It should push back.” Perhaps this is predictable from a product carrying the slogan “keep thinking.” But Claude’s quirky (and, at times, passive-aggressive) personality sets it apart from the competition.  That’s on purpose, Lewenstein explains. “...