# Jack Dorsey announces Dessa, a full-duplex speech model trained only on voice

> Original title: Jack Dorsey announced a new full-duplex speech model, called Dessa.

- Source: Testing Catalog
- Published: 2026-10-23T22:56:26.000Z
- Bad Influence: https://badinfluence.news/items/sn9qu4qkky8oomwmmqyg2j4di
- Original: https://x.com/testingcatalog/status/2113766526545232108

## Summary

Jack Dorsey announces Dessa, a full-duplex speech model trained solely on voice conversations, with no text data or pretrained models. Only demo samples are available so far, which the post says far surpass other models in emotional expression and natural feel.

## Post

Jack Dorsey announced a new full-duplex speech model, called Dessa. 

Dessa was trained solely on voice conversations, with no text data or pretrained models. 

Currently, only demo samples are available, but they far surpass anything else in emotional expression and natural feel. 

Voice models will be everywhere 👀

[Video](https://badinfluence.news/api/img-proxy?u=https%3A%2F%2Fpbs.twimg.com%2Famplify_video_thumb%2F2113766445226094592%2Fimg%2F02dF2MVSTui0jK7C.jpg&mode=thumb&exp=1793491200&sig=b2eb8a3f4dd58331)

## Quoted post @jack

> We believe voice is the most natural way to interact with intelligence, so we created Dessa, the most authentic full-duplex speech model ever built. Talking with it feels like talking with a person…full of emotion, nuance, pauses, and a natural cadence. 
> 
> https://block.xyz/dessa

https://x.com/jack/status/2113697902916751661