Ideogram drops its first open-weight foundational model, Ideogram 4.0: 9.3 billion parameters, supports structured JSON prompts
The AI image generation platform Ideogram has announced the launch of its first open-weight foundational model, Ideogram 4.0. This model packs 9.3 billion parameters and features a single-stream Diffusion Transformer architecture, innovatively selecting Qwen3-VL-8B-Instruct as its text encoder, achieving excellent text comprehension and spatial alignment. The model is currently available in open-source nf4 version (can run on a single 24GB GPU) and fp8 version, with inference code licensed under Apache 2.0.
Why it matters: This is the first truly commercial-grade open-source foundational model in the image generation space, marking the entry of open-source image AI into the DiT architecture era, significantly lowering the hardware barrier for high-quality image generation.
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