Inside Anthropic’s biggest design choices

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. “I find that to be a truly astonishing experience where I’m like, ‘Oh, you are not a sort of slavish executor of my vision. We a...