[2606.18208] Looped World Models

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Computer Science > Machine Learning

arXiv:2606.18208 (cs)

[Submitted on 16 Jun 2026]

Title:Looped World Models

Authors:Hongyuan Adam Lu, Z.L. Victor Wei, Qun Zhang, Jinrui Zeng, Bowen Cao, Lingwei Meng, Mocheng Li, Zezhong Wang, Haonan Yin, Naifu Xue, Minyu Chen, Cenyuan Zhang, Zefan Zhang, Hao Wei, Jiawei Zhou, Haoran Xu, Hao Yang, Ronglai Zuo, Tongda Xu, Yonghao Li, Jian Chen, Hebin Wang, Zeyu Gao, Yang Li, Wei Zhao, Qimin Zhong, Siqi Liu, Yumeng Zhang, Leyan Cui, Zhangyu Wang, Wai Lam<br>View a PDF of the paper titled Looped World Models, by Hongyuan Adam Lu and 30 other authors

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Abstract:Current world models face a fundamental tension: faithful long-horizon simulation demands deep computation, but deeper models are expensive to deploy and prone to compounding errors. We resolve this by introducing Looped World Models (LoopWM), which are the first looped architectures for world modelling. Our method iteratively refines latent environment states through a parameter-shared transformer block. This yield up to 100x parameter efficiency over conventional approaches with adaptive computation that automatically scales depth to match the complexity of each prediction step. Orthogonal to scaling model size and training data, LoopWM establishes iterative latent depth as a new scaling axis for world simulation, which might significantly push the community forward.

Comments:<br>Technical Report

Subjects:

Machine Learning (cs.LG); Artificial Intelligence (cs.AI); Computation and Language (cs.CL); Computer Vision and Pattern Recognition (cs.CV)

Cite as:<br>arXiv:2606.18208 [cs.LG]

(or<br>arXiv:2606.18208v1 [cs.LG] for this version)

https://doi.org/10.48550/arXiv.2606.18208

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arXiv-issued DOI via DataCite (pending registration)

Submission history<br>From: Hongyuan Lu [view email]<br>[v1]<br>Tue, 16 Jun 2026 17:37:27 UTC (3,345 KB)

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