# Gradium

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/gradium

- Industry: Software
- Headquarters: Paris, France
- Website: www.gradium.ai/
- Total disclosed funding: $100M
- Latest round: Seed (Jul 8, 2026)
- Investors on record: 8

## About

Gradium, headquartered in Paris, France, specializes in advanced audio language models that enhance voice interactions across diverse applications, delivering efficient Text-to-Speech and Speech-to-Text solutions for businesses. Gradium was founded in 2025 in Paris, France, focusing on audio language technology. In July 2026, Gradium raised USD 30 million in seed funding from Nventures. The round was part of a larger USD 100 million seed funding. Co- founded by Neil Zeghidour, Laurent Mazaré, Olivier Teboul, and Alexandre Défossez. Gradium specializes in advanced audio language models designed to facilitate seamless voice interactions across various applications. Their core offerings include Text-to-Speech (TTS) and Speech-to-Text (STT) services, both engineered for high performance and low latency. The TTS functionality converts written text into natural-sounding speech, suitable for virtual assistants and customer service bots. The STT service provides real-time transcription with high accuracy, serving environments that require efficient communication, such as meetings and call centers. Gradium’s products support multiple languages, including English, French, Spanish, German, and Portuguese.Gradium's revenue generation is primarily driven through subscription-based models for its speech technology solutions. Clients, including businesses across customer service, healthcare, and entertainment sectors, engage with Gradium’s offerings through direct licensing agreements or partnerships. The company provides tailored pricing plans that align with clients' operational scales, enabling effective implementation of Gradium's technologies such as TTS and STT services, alongside bundled packages for comprehensive voice interaction solutions. In July 2026, Gradium raised USD 30 million in seed funding from Nventures. The round was part of a larger USD 100 million seed funding. The company plans to utilize the July 2026 funding for San Francisco office expansion and voice artificial intelligence research and product development.

## Funding rounds

- Seed, Jul 8, 2026, $30M — Nventures
- Seed, Dec 2, 2025, $70M — Eurazeo, FirstMark Capital, DST Global, Amplify Partners, Liquid 2 Ventures, Korelya Capital, Drysdale Ventures

## Investors

- Eurazeo (https://capitalatlas.ai/funds/eurazeo) — Seed
- FirstMark Capital (https://capitalatlas.ai/funds/firstmark-capital) — Seed
- DST Global (https://capitalatlas.ai/funds/dst-global) — Seed
- Amplify Partners (https://capitalatlas.ai/funds/amplify-partners) — Seed
- Liquid 2 Ventures (https://capitalatlas.ai/funds/liquid-2-ventures) — Seed
- Korelya Capital (https://capitalatlas.ai/funds/korelya-capital) — Seed
- Drysdale Ventures (https://capitalatlas.ai/funds/drysdale-ventures) — Seed
- Nventures — Seed