New Delhi, July 10 -- Paris-based voice AI startup Gradium has extended its total funding to $100 million, adding new investors including NVIDIA just seven months after emerging from stealth. The company said the additional capital will be used to accelerate AI research, expand product development, strengthen its international presence, and establish a new office in the San Francisco Bay Area.

The latest funding extension comes as Gradium looks to deepen its presence in one of the world's largest AI ecosystems while scaling its real-time voice AI platform for developers and enterprise customers.

Founded in September 2025 by researchers behind Kyutai, the AI research lab known for its work on real-time speech systems, Gradium focuses on ...