Applied AI Spotlight

Full-Duplex Speech Models Explore More Natural Voice Interaction

Full-Duplex Speech Models Explore More Natural Voice Interaction

Block’s Dessa is presented as a locally running, full-duplex speech model trained from conversation audio alone, with demos suggesting interruptible, expressive interaction. The approach is a notable research direction, but evidence is limited to company demos: there are no independent benchmarks, public weights, or API, and access remains limited.

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Updated Oct 24, 2026