Jack Dorsey’s Block made an AI model that talks to you like an awkward new friend
The Verge Jay Peters ● Covered by 2 sources
Block says it built Dessa, an AI that talks from speech alone. The demo sounds almost human, but it also opens with the model calling someone Ronaldo.
Based on reporting by The Verge, Jay Peters — read the original for the full story.
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Jack Dorsey’s Block says it has built an AI model called Dessa, and the pitch is very specific: it was trained from scratch on nothing but human conversation. No text-first sleight of hand, no obvious crutch. Just speech in, speech out.
To make the case, Block shared real chats with the model. The conversations can sound surprisingly natural, with a back-and-forth that mostly tracks the rhythm of a normal talk. But they also have that slightly off feeling that makes these demos stick in your head. One example starts with the model misidentifying the speaker as someone named Ronaldo.
That oddness is the point as much as the progress is. Block is showing off a system that can handle a realistic conversation and does it in a way that feels less like a chatbot and more like a person who is still figuring out the room.
The company also framed Dessa as a full-duplex speech-to-sp... system, which is a neat reminder that the real competition in AI isn't just answers anymore. It's timing, tone, interruption, and whether the thing on the other end can keep up without sounding like it read a manual for being human.
My take — AI-written commentary, not fact-checked reporting
This is the kind of AI demo that works best when it is a little embarrassing. If the model sounds too polished, people start looking for the trick. If it sounds awkward, at least it feels honest. The industry keeps chasing human conversation, and the first milestone is apparently sounding like a new friend who just moved in and hasn’t learned your name yet.
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