Block's new voice AI sounds eerily human, sparking awe and scam fears

Jack Dorsey's payments company Block XYZ $76,45 · Mercado cerrado has unveiled a voice AI model that sounds remarkably human in company demonstrations, prompting reactions ranging from amazement at its conversational abilities to warnings that such technology could make phone scams harder to detect. Called Dessa, the model was trained entirely on human speech rather than text and can listen while speaking, allowing it to handle interruptions, laughter and changes in tone during a conversation, according to the Block’s announcement . “Talking with it feels like talking with a person…full of emotion, nuance, pauses, and a natural cadence,” Dorsey wrote on X . In one demonstration, Dessa laughs in the middle of a sentence; in another, it reacts to a surprise with what sounds like genuine emotion.

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