SolarWM-LTX-22B

LTX-2.5 22B checkpoints for SolarWM

Project Page · GitHub · SolarWM Collection · Dataset · Paper

SolarWM is an open foundation for building interactive video world models from data preparation through scalable training and long-horizon inference. This repository contains only the LTX-2.5 22B family.

Checkpoints

Directory	Stage	Frames	Release contents
SolarWM-ltx-22B-base	Base	—	Base model and runtime assets
SolarWM-ltx-22B-bid-stage0p5-153f	Stage0.5	153	EMA LoRA adapter

Download

hf download junchaoh-cs/SolarWM-LTX-22B --local-dir ./SolarWM-models

Keep the directory layout unchanged. SolarWM configurations resolve the base and staged checkpoint paths from these release directories.

Inference

Install SolarWM from the source repository, activate the LTX runtime environment, and follow the LTX-2.5 guide.

License

The LTX-2.5 packages in this repository are governed by the LTX-2.x Community License included in the release directories. They are not relicensed under the Apache-2.0 license used by SolarWM code. Review the applicable license before use or redistribution.

Citation

@misc{huang2026solarwmopendatascalable,
      title={SolarWM: Open Data and Scalable Training for Long-Horizon Video World Models},
      author={Junchao Huang and Guian Fang and Shengju Qian and Xianghao Kong and Zhuoran Zhao and Wei Huang and Yihua Du and Zixin Zhang and Justin Cui and Yuchao Gu and Yukang Chen and Xinting Hu and Tianyu He and Shaoshuai Shi and Zhuotao Tian and Xin Wang and Mike Zheng Shou and Li Jiang},
      year={2026}, eprint={2609.02886}, archivePrefix={arXiv}, primaryClass={cs.CV},
      url={https://arxiv.org/abs/2609.02886}
}