Ideogram 4.0 – open-weight 9.3B text-to-image model
It's our new text-to-image model: a 9.3B single-stream diffusion transformer trained entirely from scratch. We focused heavily on controllability through structured JSON prompts, with strong text rendering, spatial awareness through bounding box guidance, and color palette control. It has the best text rendering of any open-weight model we've tested so far, and the NF4 quantized checkpoint runs on a single 24GB GPU. For more technical details and examples see our blog post: https://ideogram.ai/blog/ideogram-4.0/ We will be happy to answer any questions :)
In plain words
Ideogram 4.0 is an open-weight text-to-image model with 9.3 billion parameters designed for users needing precise control over generated images. It uses structured JSON prompts to enable bounding box guidance, color palette control, and spatial awareness. The model excels at rendering text within images and runs on a single 24GB GPU. It is intended for developers and creators building image generation applications.
written from the facts on this page · September 2026
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