MIRROR: Learning from the Other View for Multi-Modal Reasoning
Vision-language models (VLMs) can behave very differently depending on whether the same underlying problem is presented textually or visually. This inconsistency suggests that different views expose different reasoning paths and failure modes that standard multimodal post-training does not fully exploit. To study and exploit this phenomenon, we construct ODA-Data, a high-quality paired multimodal geometry dataset with text-dominant, image-dominant, and combined image+text views of the same problems, together with splits for training and evaluating view dependent reasoning behaviors. We then develop Modality-Informed Reciprocal Reasoning Optimization (MIRROR), a reinforcement learning appr...
| Authors | Wen Ye, Yuxiao Qu, Aviral Kumar et al. |
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| Primary category | cs.AI |
| Published | 23 July 2026 |
| Last updated at source | 8 October 2026 |
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