This article explores HunyuanImage 3.0, Tencent’s groundbreaking open-source multimodal model that unifies language understanding, visual reasoning, and image generation. It examines the model’s data pipeline, architecture, Chain-of-Thought workflow, and progressive training strategy, showing how HunyuanImage 3.0 achieves state-of-the-art text-to-image performance while enabling richer control, coherence, and creativity.