Decart, which offers real-time generative video and GPU optimization tech, raised $300M at a ~$4B valuation, up from $3.1B after raising $153M in August 2025 (Robbie Whelan/Wall Street Journal)

Robbie Whelan / Wall Street Journal: Decart, which offers real-time generative video and GPU optimization tech, raised $300M at a ~$4B valuation, up from $3.1B after raising $153M in August 2025 — Decart's valuation hits nearly $4 billion as investors pour capital into startups making AI computing more efficient