On a PMC-VQA subset, GRPO-based RL fine-tuning of Qwen2-VL-2B-Instruct outperforms SFT in accuracy, but the study has no error bars and several prose claims conflict with its own table.
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Toward Effective Reinforcement Learning Fine-Tuning for Medical VQA in Vision-Language Models
On a PMC-VQA subset, GRPO-based RL fine-tuning of Qwen2-VL-2B-Instruct outperforms SFT in accuracy, but the study has no error bars and several prose claims conflict with its own table.