Moshi’s full-duplex voice model predates today’s hottest speech AI buzzword

mattturck · x · 2026-07-25

• A discussion around full-duplex voice AI argues that the term is now hot, even though Moshi had already been built as an end-to-end conversational model before the label became common.
• Neil Zegh remarks that the team originally set out to build a conversational system, without prior dialogue-system experience, and only later realized their work fit a broader technical concept.
• The linked talk frames Moshi as an early speech-to-speech, full-duplex assistant, compares it with newer live speech systems, and asks why this design has not become ubiquitous yet.

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