Block releases its new voice AI model, Dessa: trained entirely on real-world conversations, with a slightly awkward conversational style.
Jack Dorsey’s company, Block, announced the launch of an end-to-end voice AI model called Dessa, claiming it was trained entirely from scratch using only human speech dialogue data. The official demonstration samples exhibited a mix of naturalness and awkwardness—for example, mistakenly addressing a user as “Ronaldo”—highlighting its anthropomorphic yet still immature conversational capabilities.