Gradium raises $70 million seed for voice AI models
bolt Executive Summary
- Gradium emerged from stealth with $70 million seed funding. FirstMark Capital and Eurazeo led the round. It builds low-latency audio AI from Paris.
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Gradium emerged from stealth with $70 million seed funding. FirstMark Capital and Eurazeo led the round. It builds low-latency audio AI from Paris.
Funding details: $70 million (Seed)
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Gradium raised $70 million in seed funding. FirstMark Capital and Eurazeo co-led it. Participants include Xavier Niel, Eric Schmidt, and DST Global Partners. The Paris startup spun out of Kyutai lab. It started in September 2025.
The backers support new audio language models for voice AI. Founders from DeepMind and Meta fix latency and accuracy issues. The tech unifies generation, transcription, and talk in one system. It covers English, French, German, Spanish, and Portuguese.
Funds help commercialize via APIs as a voice layer for other AI. It fits healthcare, support, gaming, and ads. Revenue started six weeks after launch.
Neil Zeghidour, CEO and ex-DeepMind researcher, said current voice AI feels brutal. They reengineer for seamless talks. The team includes CTO Olivier Teboul, CCO Laurent Mazaré, and CSO Alexandre Défossez, all from DeepMind or Meta.
Gradium develops audio AI for real-time voice. Based in Paris, France, it offers models with low latency and natural flow for developers worldwide. The B2B APIs wrap around text or vision AI for sectors like gaming and customer service.
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