Block Unveils Dessa Speech Model Capable of Emotional Expressiveness and Local Processing

By Ivan Mehta · TechCrunch · 2026-10-24

Block Unveils Dessa Speech Model Capable of Emotional Expressiveness and Local Processing

According to TechCrunch, Jack Dorsey’s Block has developed a full-duplex voice model named Dessa that operates directly on consumer hardware like a MacBook M4 Max. Unlike traditional systems that rely on text pipelines, this architecture learns directly from human speech to repli

According to TechCrunch, Jack Dorsey’s Block has developed a full-duplex voice model named Dessa that operates directly on consumer hardware like a MacBook M4 Max. Unlike traditional systems that rely on text pipelines, this architecture learns directly from human speech to repli