Humanity is likely still a long way away from building artificial general intelligence (AGI), or an AI that matches the cognitive function of humans — if, of course, we're ever actually able to do so.

But whether such a future comes to pass or not, OpenAI CEO Sam Altman has a warning: AI doesn't have to be AGI-level smart to take control of our feeble human minds.

"I expect AI to be capable of superhuman persuasion well before it is superhuman at general intelligence," Altman tweeted on Tuesday, "which may lead to some very strange outcomes."

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