GLM Image – AI Image Generator for Posters & Knowledge
GLM-Image (hereafter GLM Image) is Z.AI's industrial-grade, open-source image generation model dedicated to dense-knowledge and text-intensive scenarios. Unlike conventional diffusion models that focus primarily on aesthetics, GLM Image emphasizes cognitive alignment, enabling it to follow complex instructions, maintain structural relationships between elements and render multi-region textual content with high accuracy. GLM Image adopts a hybrid architecture that combines a 9B autoregressive reasoning module with a 7B DiT diffusion decoder. The autoregressive component inherits semantic capabilities from GLM-4-9B-0414 and determines global composition, visual hierarchy, layout and text placement. Meanwhile, the diffusion decoder reconstructs high-frequency textures, lighting, typography and fine details. A lightweight glyph encoder further ensures clean, legible multilingual text rendering — a requirement for commercial posters, educational illustrations, UI mockups and social media assets.
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