# Block’s Dessa: The Speech AI That Never Touched Text

> Source: <https://byteiota.com/dessa-block-speech-model/>
> Published: 2026-10-24 09:15:53+00:00

Block's Dessa is a full-duplex speech model trained solely on human audio — no text, no pretrained weights. Here's what it means for developers building voice applications.

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Block’s Dessa: The Speech AI That Never Touched Text
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