Qwen-Image-Flash: Beyond Objective Design

Hugging Face Daily Papers Papers

Summary

This paper investigates training recipes for few-step distillation of visual generative models, using Qwen-Image-2.0 as a case study. It reveals non-obvious behaviors and proposes Qwen-Image-Flash.

Few-step distillation has become an effective strategy for accelerating advanced visual generative models, yet prior work has largely focused on distillation objectives. In this work, we revisit few-step distillation from a complementary perspective, focusing on the training recipe that critically shapes student performance. Using Qwen-Image-2.0 as a representative case, we systematically investigate three factors in unified text-to-image generation and instruction-guided image editing distillation: data composition, teacher guidance, and task mixture. Our empirical analysis reveals several non-obvious behaviors, which motivate the development of Qwen-Image-Flash. Overall, our results suggest that effective few-step distillation requires not only carefully designed objectives, but also principled organization of the broader training pipeline.
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Abstract

Few-step distillation for visual generative models benefits from systematic investigation of training recipes beyond just distillation objectives, leading to improved student performance through optimized data composition, teacher guidance, and task mixture.

Few-step distillationhas become an effective strategy for accelerating advancedvisual generative models, yet prior work has largely focused ondistillation objectives. In this work, we revisitfew-step distillationfrom a complementary perspective, focusing on thetraining recipethat critically shapes student performance. Using Qwen-Image-2.0 as a representative case, we systematically investigate three factors in unifiedtext-to-image generationandinstruction-guided image editingdistillation:data composition,teacher guidance, andtask mixture. Our empirical analysis reveals several non-obvious behaviors, which motivate the development of Qwen-Image-Flash. Overall, our results suggest that effectivefew-step distillationrequires not only carefully designed objectives, but also principled organization of the broader training pipeline.

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