Gradium is the voice layer for modern applications and AI agents. We provide real-time, scalable voice APIs: TTS, STT, smart turn-taking, and instant voice cloning, built on cutting-edge research. Built for developers shipping production voice systems.

Software Engineering

Data Science

Paris, France

Gradium

Firstmark is an early-stage venture capital firm based in new york city. Our mission is to partner with entrepreneurs who are focused on solving meaningful problems. We have built an engaged community among the teams in our network to spread ideas and opportunities. We are privileged to work alongside the founders of businesses like pinterest, shopify, airbnb, discord, riot games, and draftkings. Visit us in new york city or online at www.firstmark.com and @firstmarkcap on twitter.

FirstMark Capital LLC

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