Paris-based AI voice startup Gradium nabs $70M seed

In Brief

Gradium, a startup spun out of French AI laboratory Kyutai (backed by French telecom billionaire Xavier Niel), launched retired of stealth connected Tuesday with a $70 cardinal effect circular from a who’s who of investors. 

The circular was led by FirstMark Capital and Eurazeo, with information from Niel, DST Global Partners, billionaire Eric Schmidt and different investors. 

Gradium has developed audio connection AI models designed to present dependable astatine standard with ultra-low latency — essentially, AI voices that respond astir instantly. It was founded conscionable a fewer months ago, in September, 2025, by Kyutai founding subordinate Neil Zeghidour, who chopped his teeth moving with dependable models arsenic a researcher astatine Google DeepMind.

The startup’s goal, it says, is to marque dependable models speedier and much close for developers. And, arsenic a European startup, it launched with multilingual enactment retired of the gate: English, French, German, Spanish, and Portuguese, with further languages coming. 

Of course, Gradium is entering a contention with plentifulness of competition. For starters, the frontier LLM companies similar OpenAI, Anthropic, Meta Llma, and Mistral each person voice, code recognition, and multimodal models. Then determination are well-funded startups similar ElevenLabs, and hundreds of voice/speech models connected Hugging Face. Right now, there’s nary shortage of options for a developer needing AI dependable capabilities. 

That said, the request for what Gradium hopes to connection — ultra-realistic dependable look and accuracy — volition lone turn implicit time, arsenic AI moves from typed chats to AI agents and expands into usage cases from amusement to work.

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