Lucy & Oasis Real-Time World ModelsDecart—Decart launches Oasis 3 with public API for robotics simulationLucy & Oasis Real-Time World ModelsDecart—Decart raises $300 million at ~$4 billion valuation

Decart

World models, real-time video, physical AI, optimization stack

US$4B privateest. 2023decart.ai (opens decart.ai)Checked 11 Oct

The brief

Analyst view
  • Raised $300M in Series B (May 2026) at ~$4B valuation; backed by Nvidia, Sequoia, Benchmark, and Radical Ventures.
  • Lucy 2.5: ~40ms latency live video editing. Oasis 3: photorealistic driving sims at 22 FPS.
  • Founded late 2023 by Unit 8200 veterans; emerged from stealth October 2024.

Technical approach

As reported
Real-time generation

Sub-200ms latency video and physics simulation

Lucy 2.5 transforms video in ~40ms for commerce and streaming. Oasis 3 runs at 22 FPS with under 200ms latency.

DOS optimization

Decart Optimization Stack for multi-hardware

DOS 2.0 accelerates across Nvidia, Google, and Amazon hardware; achieves 1,600 tokens/s (8x typical) and 100 fps video.

Physics-grounded

Real-world data and physical laws

Oasis 3 trained on real-world data; streams three synchronized 768x512 views maintaining consistent scene state.

Primer