Nano World Model

Skill by ara.so — Daily 2026 Skills collection.

Nano World Model is a minimalist, batteries-included repository for training video world models using diffusion-forcing transformers. It supports diverse domains (robot manipulation, gaming, simulation), long-horizon autoregressive rollouts, video-to-3D reconstruction, and MPC-style planning via CEM.

Installation

git clone https://github.com/simchowitzlabpublic/nano-world-model.git
cd nano-world-model
conda env create -f environment.yml && conda activate nanowm

Download the I3D model used for FID/FVD evaluation: