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Block's new AI model Dessa was trained entirely on human speech to catch emotions text-based models miss.

The DecoderIndependent reporting·
Corroborated event · 3 outlets

Block introduced Dessa, a speech model trained on human speech that processes audio directly and is designed to recognize emotions, sarcasm and pauses in real time.

AI brief

Block introduced Dessa, a speech model that processes audio directly instead of converting it to text first, and is designed to recognize emotions, sarcasm and pauses in real time. The model runs locally on a Mac.

Written by AI from The Decoder's published text.

More coverage of this story (2)

Block introduces Dessa AI voice model

Block’s new voice model sounds eerily human
TechCrunch AI · 24 Oct 2026, 16:00
Jack Dorsey’s Block made an AI model that talks to you like an awkward new friend
The Verge AI · 23 Oct 2026, 19:32

Primary source

“Block, the company behind Square and Cash App, has introduced Dessa, a speech model that processes audio directly instead of converting it to text first. Dessa is designed to recognize emotions, sarcasm, and pauses in real time.”
The Decoder, 24 Oct 2026, 14:09.

Reporting from a publisher outside the organisation being covered.

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