Gradium
Advanced Voice AI for Text to Speech, Speech to Text, and Voice Cloning
Paris, France · Founded 2025 · $100.0M raised
- Headquarters
- Paris
- Employees
- 1–10
- Founded
- 2025
- Business Model
- B2B
- Website
- gradium.ai
- Total Funding
- $100.0M
- Last Round
- $30.0M Extension RoundJul 2026
- Rounds
- 2
About
Gradium builds foundational audio language models — an audio-native family unifying generation, transcription, transformation, and dialogue into a single neural architecture — to deliver ultra-realistic, emotionally expressive, low-latency speech. Founded in 2025 by former Kyutai researchers Neil Zeghidour, Olivier Teboul, Laurent Mazaré, and Alexandre Défossez, Gradium already powers voice agents across healthcare, customer support, market research, gaming NPCs, and digital-advertising avatars for developers and enterprises.
Summary
Gradium is an Artificial Intelligence company based in Paris, France, founded in 2025. It has raised $100.0M in total across 2 rounds, most recently a $30.0M Extension Round round in Jul 2026. Investors include Nvidia, FirstMark Capital and Eurazeo.
Tech & App Stack
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Funding History
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Jul 2026
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Seed through Extension Round — per-round amounts, valuations, and who invested in each round.
Investors
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