Aviral Kumar

2 papers indexed

arxivcs.AIcs.LG2026-07-23

MIRROR: Learning from the Other View for Multi-Modal Reasoning

Wen Ye, Yuxiao Qu, Aviral Kumar, Xuezhe Ma

Unlike large language models (LLMs) that exhibit strong reasoning capabilities, vision-language models (VLMs) struggle with visual reasoning, even on geometry problems that admit equivalent text, diagram, and combined diagram+text views. We show that these views often elicit diff…

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arxivcs.LG2026-06-30

Addressing Over-Refusal in LLMs with Competing Rewards

Taeyoun Kim, Aviral Kumar

Safety training on language models often induces over-refusal: improved safety on harmful prompts at the cost of increased refusal on harmless ones. Though this trade-off can be mitigated by training models with reinforcement learning (RL) to reason before answering, it does not…

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