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MiniMax releases H3-Image, an open-weight model for 4K image generation and editing

AIModelScope says MiniMax has released H3-Image, an open-weight model for high-resolution image generation and editing. According to the post, it generates 4096x4096 images up to 6272x2688 directly, supports edits and compositions from up to 16 reference images, and runs on SGLang, vLLM, diffusers, and ComfyUI. The post also says it is distilled to 6 steps with no CFG, and links to the model and a prompt expander.
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4K x 4K in 10-20 seconds. MiniMax releases H3-Image, an open-weight model for high-resolution image generation and editing.

  • Precise control: open-model SOTA per MiniMax in instruction following, with edits and compositions from up to 16 reference images.
  • Photoreal by default: rich detail and natural texture, built to avoid the glossy "AI look."
  • Flexible canvases at full 16MP: 4096x4096 up to 6272x2688 (21:9), generated directly with no upscaler.
  • Text that reasons: renders logic puzzles in Chinese and English and solves them correctly on the board.
  • Built to serve: H3's single-stream DiT minus the audio branch, distilled to 6 steps with no CFG. Runs on SGLang, vLLM, diffusers and ComfyUI.

🤖 https://modelscope.ai/models/MiniMax/MiniMax-H3-Image
🤖 Prompt expander: https://modelscope.ai/models/MiniMax/MiniMax-H3-Image-PE

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Original title: 4K x 4K in 10-20 seconds. MiniMax releases H3-Image, an open-weight model for high-resolution image generation and editing.

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MiniMaxImage generationOpen-source ecosystemChina AIModel releases