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Ideogram· Ideogram image models
Ideogram 4.0 Technical Details: Open model at the forefront of design
9.3B parameter open-weight text-to-image model with structured JSON prompting
Ideogram released Ideogram 4.0, a 9.3B parameter open-weight text-to-image model.
The model uses a 34-layer Diffusion Transformer with a Qwen3-VL-8B-Instruct text encoder and is trained exclusively on structured JSON captions with per-element styling, optional bounding boxes, and color palettes.
The reference inference pipeline validates prompts against the JSON schema before generation.
From the source
Ideogram 4.0 is a 9.3B parameter open-weight text-to-image model. Recent open-weight releases have converged on a single self-attention sequence over text and image tokens [1] [2] [3] , and Ideogram 4.0 follows the same pattern: text and image tokens share the same projections at every layer of a 34-layer DiT.
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