Prince Harry and his wife Meghan have joined prominent computer scientists, economists, artists, evangelical Christian leaders and American conservative commentators Steve Bannon and Glenn Beck to call for a ban on AI "superintelligence" they say could threaten humanity.

The letter, released Wednesday by a politically and geographically diverse group of public figures, is squarely aimed at tech giants like Google, OpenAI and Meta Platforms that are racing each other to build a form of artificial intelligence designed to surpass humans at many tasks.

The 30-word statement says, "We call for a prohibition on the development of superintelligence, not lifted before there is broad scientific consensus that it will be done safely and controllably, and strong public buy-in."

In a preamble, the

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