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Slides: Voice AI: when is the "Her" moment? — Neil Zeghidour, CEO, Gradium AI

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Voice AI: when is the "Her" moment? — Neil Zeghidour, CEO, Gradium AI

Relationship To World's Fair 2026

These slides are extracted from a public AI Engineer YouTube video connected to World's Fair 2026. Speaker-matched clips are supporting context unless later confirmed as exact session recordings; official livestream recordings are day-level/event-level source material.

Related Scheduled Sessions

Extracted Slides

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PLATINUM SPONSORS

Braintrust WorkOS OpenAI

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From ResearchtoProduction

Kyutai Breakthrough

Paris-basedopenscience Al lab. Founded2023withE300M. Moshi:firstspeech-native Research

AIE Team from MetaFAIR,Google DeepMind,and Inria. Hibiki-Zero:real-time

speech-to-speech translation.

moshi.chat by/kyutai Buito bringresearchtoproduction.$70Mraised in2025. Gradium:Scaling Impact Pocket-TTS:CPUmodelforTTS

AIEngineer

AIEngineer EUROPE

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AIE

AI Engineer

Engineering the future of AI

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AIE

Engineering the future of AI

AIEngineer

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In real life...

AIE

AI Engineer

EUROPE

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In real life...

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Engineering the future of Al

AIEngineer

COROFL

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Engineering the future of AI

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Moshi Lessons Learned

What Works Well

Full-Duplex Conversation: Natural, uninterrupted

dialogue flow

Real-time Interaction: Truly conversational AI, user and

AI speak simultaneously

Challenges

A research prototype, not a real agent

Lack of observability and reliability

Does not convey or understand empathy well

Engineering the future of AI

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GradiumPhonon Real-Time InferenceonCPU

CPUInference Weights WER SpeakerSim

Faster than real-time with no perceptible delay Phonon ~100M 1.48% 56.37%

AIE Kani TTS 2 450M 4.97% 40.73%

Personalization NeuTTS Air 552M 2.18% 47.51%

Multilingual+canreproduce any voicefroma short referenceclip,noretrainingrequired Kokoro NeuTTSNano 229M 100M 1.71% 0.90% 40.15%

SOTAperformance

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Engineering the future of Al

AIEngineer

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Slide-Derived Subjects To Review

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