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
UA
Upscale AIUpscale AI builds full-stack AI networking infrastructure — silicon, systems, and software — to connect accelerators, memory, and storage into a high-performance fabric for large-scale AI training and inference.
2 Pulse stories
Total Raised
$100M
$500M
GradiumUpscale AI
Last Valuation
$2B
GradiumUpscale AI
AI infra
Sector
AI infra
2025
Founded
2025
Paris, France
HQ
Santa Clara, California
Private
Status
Private
Gradium investors
NvidiaFirstMark CapitalEurazeoXavier NielDST Global PartnersEric SchmidtAmplify PartnersKorelya Capital
Upscale AI investors
Premji InvestNvidiaSalesforce VenturesTemasekSeligman VenturesMaverick SiliconMayfieldTiger Global
Data from Value Add Pulse coverage and company research — see the full threads for Gradium and Upscale AI.