# LatentQuant: Preserving the Policy-Facing Latent Contract under NVFP4 VAE Quantization

**Published:** October 6, 2026
**Author:** Ziye Deng, Lufang Chen, Shuyu Feng, Zhenwei Duan, Zicong Ye, Yu Sun, Xiaofan Li, Ruyi Gan, Hao Wang, Hao Zhang
**Source:** arXiv — cs.AI
**Language:** en-US
**HTML:** https://aiqazaqstan.com/en/articles/latentquant-preserving-the-policy-facing-latent-contract-under-nvfp4-vae

Recent world action models (WAMs) reuse pretrained video VAEs whose encoder latents directly condition downstream action policies. Quantization must therefore preserve not only reconstruction fidelity but also the policy-facing latent contract expected by the frozen policy.…

> From the original source: **arXiv — cs.AI**
> [Read full article at arXiv — cs.AI](https://arxiv.org/abs/2610.03959)

**Tags:** #arXiv

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