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Text-to-Image Generation on UniGenBench++ in-domain

73.95Semantic ConsistencyFLUX.1-dev + UnifiedReward-Flex
57.122861.491465.8670.2286Feb 2, 2026

Evaluation results

MethodLinks
FLUX.1-dev + UnifiedReward-FlexBackbone=FLUX.1-dev, Optimization=GRPO, Reward Model=UnifiedReward-Flex, Sampling steps=30, CFG scale=3.52026.0273.95
FLUX.1-dev + UnifiedReward-ThinkBackbone=FLUX.1-dev, Optimization=GRPO, Reward Model=UnifiedReward-Think, Sampling steps=30, CFG scale=3.52026.0268.89
FLUX.1-dev + UnifiedRewardBackbone=FLUX.1-dev, Optimization=GRPO, Reward Model=UnifiedReward, Sampling steps=30, CFG scale=3.52026.0260.87
FLUX.1-devSampling steps=30, CFG scale=3.52026.0259.39
FLUX.1-dev + PickScoreBackbone=FLUX.1-dev, Optimization=GRPO, Reward Model=PickScore, Sampling steps=30, CFG scale=3.52026.0258.63
FLUX.1-dev + HPSv3Backbone=FLUX.1-dev, Optimization=GRPO, Reward Model=HPSv3, Sampling steps=30, CFG scale=3.52026.0257.98
FLUX.1-dev + HPSv2Backbone=FLUX.1-dev, Optimization=GRPO, Reward Model=HPSv2, Sampling steps=30, CFG scale=3.52026.0257.77