Gradium

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. The company has successfully completed its first funding round, raising USD 70. 00 mn in Seed funding on December 2, 2025.

The funding was co-led by FirstMark Capital and Eurazeo, with participation from investors such as DST Global, Drysdale Ventures, and Korelya Capital. The founder's background is not specified, nor are there mentions of any prior ventures or changes in business strategy. 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 December 2025, Gradium aims to utilize the USD 70. 00 mn raised in Seed funding to launch its platform, provide access to initial models, and advance generative audio research with partners.

The company plans to expand into new markets in North America and Asia by 2026, focusing on increasing its presence in these regions through innovative product offerings and enhanced service delivery.