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Tianyu Pang

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#artificial intelligence Preprint Sep 2026

Relative Generalization Invariance of LLM Pretraining

Large Language Model (LLM) pretraining performance is jointly shaped by three components of the training triplet: the optimizer, model architecture, and training data stream. However, how these components influence performance in distinct ways remains unclear. We take a first step toward isolating their effects by stud...

Feng-Zhuo Zhang, Shu-Che Wang, Sheng-Gui Li et al. · 0 citations
Review Sep 2026

WorldReward: Reward Modeling for Camera-Conditioned World Models

This work presents WorldReward, a VLM-based pairwise preference reward model that unifies action-consistency and visual-quality evaluation for camera-conditioned world models, and introduces WorldReward-Bench, a human-annotated benchmark measuring reward-model agreement with human preferences across action consistency,...

Yi-Bin Wang, Ze-Han Wang, Junshu Tang et al. · 0 citations
Jul 2026

Predictive Divergence Masks for LLM RL

The predictive divergence mask is proposed, which asks whether the next policy-gradient step will increase or decrease the same divergence used by the trust region, and the resulting masks improve RL training across model scales and precision settings.

Xiang-Xin Zhou, Jiarui Yao, Penghui Qi et al. · 0 citations
Jul 2026

JarvisHub: An Open Harness for Canvas-Native Multimodal Creative Agents

JarvisHub is introduced, a canvas-native creative agent harness for long-horizon multimodal creation, where agents can progressively plan, generate, revise, and organize multimodal projects while users remain able to inspect, guide, and intervene throughout the process.

Yunlong Lin, Zixu Lin, Zhaohu Xing et al. · 1 citation

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