Gradium Raises $100M Seed Extension Backed by Nvidia Gradium, an AI startup spun out of Kyutai, raised a $100 million seed extension backed by Nvidia to accelerate development of real-time speech models and expand into the San Francisco Bay Area. The funding will support AI research, product development, and international growth. For AI practitioners building real-time voice systems, large seed extensions with strategic corporate investors accelerate availability of low-latency speech models and raise the bar for production-grade tooling. Gradium said in a July 8 blog post that an extension of its seed financing brought total funding to $100 million , and that new investors include Nvidia Gradium blog . TechCrunch and Sifted report the extension added roughly $30 million to an initial $70 million tranche closed at launch TechCrunch; Sifted . Gradium, which spun out of the Kyutai research lab, described the funds as enabling expanded AI research, product development, international expansion and the opening of a San Francisco Bay Area office Gradium blog . The company and reporting note recent product advances across real-time text-to-speech, speech-to-text, speech-to-speech translation, on-device models and an open-source voice-agent framework Gradium blog; Sifted .