LaunchAI ModelsOctober 23, 2026

Block's Dessa is a speech-to-speech model trained only on conversation

Read original source →theverge.com

Dessa is trained "from scratch on nothing but human conversation" and runs locally on a MacBook Pro M4 Max "or better." Block's team cites curiosity, better human-AI understanding, and safety as motives; demo clips show it mistaking a speaker for "Ronaldo" and going on tangents.

People · Jack Dorsey, Ragavan Thurairatnam

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