AuraFlow v0.3 is a completely open-source flow-based text-to-image generation model. Compared to the previous version, AuraFlow-v0.2, this model has undergone more computational training and fine-tuning on aesthetic datasets. It supports a variety of aspect ratios with width and height up to 1536 pixels. The model has achieved state-of-the-art results on GenEval and is currently in beta testing, constantly improving with community feedback being crucial.