Computer scientists who helped build the foundations of today's artificial intelligence technology are warning of its dangers, but that doesn't mean they agree on what those dangers are or how to prevent them.

After retiring from Google so he could speak more freely, so-called Godfather of AI Geoffrey Hinton plans to outline his concerns Wednesday at a conference at the Massachusetts Institute of Technology. He's already voiced regrets about his work and doubt about humanity's survival if machines get smarter than people.

Fellow AI pioneer Yoshua Bengio, co-winner with Hinton of the top computer science prize, told The Associated Press on Wednesday that he's "pretty much aligned" with Hinton's concerns brought on by chatbots such as ChatGPT and related technology, but worries that to simply say "We're doomed" is not going to help.

"The main difference, I would say, is he's kind of a pessimistic person, and I'm more on the optimistic side," said Bengio, a professor at the University of Montreal. "I do think that the dangers—the short-term ones, the long-term ones—are very serious and need to be taken seriously by not just a few researchers but governments and the population."

There are plenty of signs that governments are listening. The White House has called in the CEOs of Google, Microsoft and ChatGPT-maker OpenAI to meet Thursday with Vice President Kamala Harris in what's being described by officials as a frank discussion on how to mitigate both the near-term and long-term risks of their technology. European lawmakers are also accelerating negotiations to pass sweeping new AI rules.

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