Robobench:作为具身大脑的多模态大语言模型的综合评估基准
Robobench: A Comprehensive Evaluation Benchmark for Multimodal Large Language Models as Embodied Brain
AI总结:
研究针对在动态非结构化环境中构建能感知、推理和行动的机器人的挑战,介绍RoboBench基准,涵盖多维度、多任务等,能评估多模态大语言模型,揭示其局限性并分析与下游控制关系,为量化高级认知提供支架。
摘要:
构建能在动态、非结构化环境中感知、推理和行动的机器人仍是核心挑战。近期具身系统常采用双系统范式,我们将系统2视为具身大脑。现有基准存在局限,我们引入RoboBench评估多模态大语言模型。它涵盖五个维度,有多种任务和问答对,源于真实机器人数据等。实验揭示模型局限,还分析了具身认知能力与下游控制的关系。
英文摘要:
Building robots that can perceive, reason, and act in dynamic, unstructured environments remains a central challenge. Recent embodied systems often follow a dual-system paradigm, where System 2 performs high-level reasoning and System 1 handles low-level control. We refer to System 2 as the embodied brain, the cognitive core for decision-making in manipulation. Although evaluating this embodied brain is crucial, existing benchmarks mainly measure execution success or cover only limited aspects of high-level cognition and task realism. We introduce RoboBench, a benchmark for evaluating multimodal large language models (MLLMs) as embodied brains. RoboBench covers five dimensions: Instruction Comprehension, Perception Reasoning, Generalized Planning, Affordance Prediction, and Failure Analysis. It spans 14 capabilities, 25 tasks, and 6,092 QA pairs. To improve realism, it draws from large-scale real robotic data and in-house collection across diverse embodiments, attribute-rich objects, multi-view scenes, and memory-driven navigation. For planning, RoboBench introduces an MLLM-as-world-simulator framework that assesses whether predicted plans can achieve critical object-state changes under physical and visual constraints, enabling more faithful evaluation of long-horizon reasoning than symbolic matching. Experiments on 18 state-of-the-art MLLMs reveal persistent limitations in implicit instruction understanding, spatiotemporal reasoning, cross-scenario planning, fine-grained affordance understanding, and failure diagnosis. We further analyze how embodied cognitive abilities relate to downstream robotic control. RoboBench offers a comprehensive scaffold for quantifying high-level cognition and guiding next-generation MLLMs toward more robust robotic intelligence.
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