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MathSpatial Exposes MLLMs' Spatial Reasoning Gap

MathSpatial Exposes MLLMs' Spatial Reasoning Gap

MLLMs excel in perception but fail mathematical spatial reasoning, scoring under 60% on tasks humans solve at 95% accuracy. MathSpatial introduces a framework with MathSpatial-Bench (2K problems), MathSpatial-Corpus (8K training data), and MathSpatial-SRT for structured reasoning. Fine-tuning Qwen2.5-VL-7B achieves strong results with 25% fewer tokens.

ArXiv AIResearchFeb 13#research#mathspatial#qwen