G
GradiumGradium builds real-time voice AI infrastructure — low-latency streaming speech-to-text, expressive text-to-speech, semantic turn detection, and voice agent frameworks for developers and enterprises.
3 Pulse stories
O
OdysseyOdyssey builds AI 'world models' that simulate real-world physics and generate interactive, causally consistent video environments for gaming, robotics, and physical AI applications.
4 Pulse stories
Total Raised
$100M
$337M
GradiumOdyssey
Last Valuation
$1.45B
GradiumOdyssey
AI infra
Sector
AI infra
2025
Founded
2023
Paris, France
HQ
Menlo Park, CA
Private
Status
Private
Gradium investors
NvidiaFirstMark CapitalEurazeoXavier NielDST Global PartnersEric SchmidtAmplify PartnersKorelya Capital
Odyssey investors
Natural CapitalAmazonAMD VenturesGVEQTIn-Q-Tel
Data from Value Add Pulse coverage and company research — see the full threads for Gradium and Odyssey.