Block Releases Voice-Only Conversation Model Dessa
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On October 24, 2026, The Verge reported that Block, the company owned by Jack Dorsey, released the voice conversation model Dessa. According to Block, Dessa is a model trained from scratch entirely on human conversations, with all of its knowledge coming from human speech, making it a true speech-to-speech model. The model can run locally on a MacBook Pro M4 Max. The report so far only covers the release announcement, with no further details disclosed about the model's performance, availability, or future plans.
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- The Verge · AIJack Dorsey’s Block made an AI model that talks to you like an awkward new friend
Jack Dorsey's Block released Dessa, a voice conversation model it says was trained from scratch entirely on human dialogue — a true speech-to-speech model whose knowledge comes solely from human speech, and which can run locally on a MacBook Pro M4 Max.
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