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While Vision-Language-Action models (VLAs) are rapidly advancing towards generalist robot policies, it remains difficult to quantitatively understand their limits and failure modes. To address this, we introduce a comprehensive benchmark…

Robotics · Computer Science 2025-12-30 Borong Zhang , Jiahao Li , Jiachen Shen , Yishuai Cai , Yuhao Zhang , Yuanpei Chen , Juntao Dai , Jiaming Ji , Yaodong Yang

Vision-Language-Action (VLA) models have emerged as a promising paradigm for robotic manipulation by leveraging pre-trained vision-language representations. However, current VLA training methods suffer from two critical limitations: poor…

Robotics · Computer Science 2026-05-25 Ruofan Jin , Zaixi Zhang

Leveraging temporal context is crucial for success in partially observable robotic tasks. However, prior work in behavior cloning has demonstrated inconsistent performance gains when using multi-frame observations. In this paper, we…

Robotics · Computer Science 2025-10-07 Huiwon Jang , Sihyun Yu , Heeseung Kwon , Hojin Jeon , Younggyo Seo , Jinwoo Shin

Vision-Language-Action (VLA) models are increasingly expected to not only complete robot tasks, but also follow human instructions about how those tasks should be executed. However, existing robot datasets usually pair trajectories with…

Large language models (LLMs) have emerged as the dominant paradigm for robotic task planning using natural language instructions. However, trained on general internet data, LLMs are not inherently aligned with the embodiment, skill sets,…

Dual-system Vision-Language-Action (VLA) models achieve state-of-the-art robotic manipulation but are bottlenecked by the VLM backbone, which must execute at every control step while producing temporally redundant features. We propose…

While large vision-language-action (VLA) models and generative world models (WM) have advanced long-horizon embodied intelligence, their practical deployment remains challenged by uncertainty in learning-based action generation. Low-quality…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Zhen Sun , Yongjian Guo , Haoran Sun , Luqiao Wang , Wei Lu , Jiachi Ji , Shengzhe Ji , Junwu Xiong , Zhijun Meng

Vision-Language-Action (VLA) models hold promise for generalist robotics but currently struggle with data scarcity, architectural inefficiencies, and the inability to generalize across different hardware platforms. We introduce RDT2, a…

Robotics · Computer Science 2026-02-04 Songming Liu , Bangguo Li , Kai Ma , Lingxuan Wu , Hengkai Tan , Xiao Ouyang , Hang Su , Jun Zhu

Vision-language-action models (VLAs) have become increasingly popular in robot manipulation for their end-to-end design and remarkable performance. However, existing VLAs rely heavily on vision-language models (VLMs) that only support…

Robotics · Computer Science 2025-02-24 Wei Zhao , Pengxiang Ding , Min Zhang , Zhefei Gong , Shuanghao Bai , Han Zhao , Donglin Wang

Recent vision-language-action (VLA) models built on pretrained vision-language models (VLMs) have demonstrated strong performance in robotic manipulation. However, these models remain constrained by the single-frame image paradigm and fail…

Robotics · Computer Science 2025-10-31 Hao Li , Shuai Yang , Yilun Chen , Xinyi Chen , Xiaoda Yang , Yang Tian , Hanqing Wang , Tai Wang , Dahua Lin , Feng Zhao , Jiangmiao Pang

Embodied intelligence systems, which enhance agent capabilities through continuous environment interactions, have garnered significant attention from both academia and industry. Vision-Language-Action models, inspired by advancements in…

Robotics · Computer Science 2025-11-13 Haoran Li , Yuhui Chen , Wenbo Cui , Weiheng Liu , Kai Liu , Mingcai Zhou , Zhengtao Zhang , Dongbin Zhao

This paper presents a novel approach for pretraining robotic manipulation Vision-Language-Action (VLA) models using a large corpus of unscripted real-life video recordings of human hand activities. Treating human hand as dexterous robot…

Recent studies on Vision-Language-Action (VLA) models have shifted from the end-to-end action-generation paradigm toward a pipeline involving task planning followed by action generation, demonstrating improved performance on various…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chongkai Gao , Zixuan Liu , Zhenghao Chi , Junshan Huang , Xin Fei , Yiwen Hou , Yuxuan Zhang , Yudi Lin , Zhirui Fang , Zeyu Jiang , Lin Shao

While leveraging abundant human videos and simulated robot data poses a scalable solution to the scarcity of real-world robot data, the generalization capability of existing vision-language-action models (VLAs) remains limited by mismatches…

The goal of this paper is to improve the performance and reliability of vision-language-action (VLA) models through iterative online interaction. Since collecting policy rollouts in the real world is expensive, we investigate whether a…

Robotics · Computer Science 2026-02-17 Yanjiang Guo , Tony Lee , Lucy Xiaoyang Shi , Jianyu Chen , Percy Liang , Chelsea Finn

Recent advances in vision-language-action (VLA) models have shown promise in integrating image generation with action prediction to improve generalization and reasoning in robot manipulation. However, existing methods are limited to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-27 Wenyao Zhang , Hongsi Liu , Zekun Qi , Yunnan Wang , Xinqiang Yu , Jiazhao Zhang , Runpei Dong , Jiawei He , Fan Lu , He Wang , Zhizheng Zhang , Li Yi , Wenjun Zeng , Xin Jin

The deployment of artificial intelligence models at the edge is increasingly critical for autonomous robots operating in GPS-denied environments where local, resource-efficient reasoning is essential. This work demonstrates the feasibility…

Robotics · Computer Science 2025-11-11 Justin Williams , Kishor Datta Gupta , Roy George , Mrinmoy Sarkar

Recent advancements in vision-language-action (VLA) models have shown promise in robotic manipulation, yet they continue to struggle with long-horizon, multi-step tasks. Existing methods lack internal reasoning mechanisms that can identify…

Vision-Language-Action (VLA) models have recently emerged as a promising paradigm for generalist robotic control. Built upon vision-language model (VLM) architectures, VLAs predict actions conditioned on visual observations and language…

Robotics · Computer Science 2026-05-26 Weikang Qiu , Huashuo Lei , Tinglin Huang , Rex Ying

Vision-Language Models (VLMs) have emerged as a promising approach to address the data scarcity challenge in robotics, enabling the development of generalizable visuomotor control policies. While models like OpenVLA showcase the potential…