{
  "display_name": "Z-Image - Base",
  "model_name": "Z-Image",
  "version": "Base",
  "architecture": "zimage",
  "family": "zimage_base",
  "author": "Z-Image Team",
  "description": "High-quality image generation model using Qwen text encoder. Base version — 25-50 steps, higher quality.",
  "tags": [
    "realistic",
    "photographic",
    "zimage"
  ],
  "release_date": "2025-01-27",
  "tag_sources": [],
  "tag_format": "spaces",
  "prompt_style": "natural",
  "trigger": "4k, highly detailed",
  "default_prompt_id": "zimage-photorealistic-default",
  "negative": "",
  "quality_position": "end",
  "notes": "CFG 4.0, Steps 25-50, dpmpp_sde+beta (base is non-distilled — a stochastic sampler gives real skin texture; res_multistep is Turbo's and sterilizes it). Uses Qwen3 4B encoder, no clip skip.",
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      "label": "Diffusion Model",
      "folder": "diffusion_models",
      "filename": "z_image_bf16.safetensors",
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      "source": {
        "provider": "huggingface",
        "repo": "Comfy-Org/z_image",
        "path": "split_files/diffusion_models/z_image_bf16.safetensors"
      },
      "quick_hash": "2cba1b6dd3930309",
      "sha256": null
    },
    {
      "label": "Text Encoder",
      "folder": "text_encoders",
      "variants": [
        {
          "precision": "bf16",
          "filename": "qwen_3_4b.safetensors",
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            "repo": "Comfy-Org/z_image",
            "path": "split_files/text_encoders/qwen_3_4b.safetensors"
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          "precision": "fp8",
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          "source": {
            "provider": "huggingface",
            "repo": "Comfy-Org/z_image",
            "path": "split_files/text_encoders/qwen_3_4b_fp8_mixed.safetensors"
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          "precision": "fp4",
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          "size_bytes": 3479416193,
          "source": {
            "provider": "huggingface",
            "repo": "Comfy-Org/z_image",
            "path": "split_files/text_encoders/qwen_3_4b_fp4_mixed.safetensors"
          },
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    },
    {
      "label": "VAE",
      "folder": "vae",
      "filename": "ae.safetensors",
      "size_bytes": 335304388,
      "source": {
        "provider": "huggingface",
        "repo": "Comfy-Org/z_image",
        "path": "split_files/vae/ae.safetensors"
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      "sha256": null
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  "nodes": {
    "KSampler": {
      "steps": 50,
      "cfg": 4.0,
      "sampler_name": "dpmpp_sde",
      "scheduler": "beta",
      "steps_range": [
        25,
        50
      ],
      "cfg_range": [
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        5.0
      ],
      "sampler_name_options": [
        "dpmpp_sde",
        "euler_ancestral",
        "euler",
        "dpmpp_2m",
        "res_multistep"
      ],
      "scheduler_options": [
        "beta",
        "simple",
        "sgm_uniform",
        "normal"
      ]
    },
    "EmptySD3LatentImage": {
      "width": 768,
      "height": 1152,
      "_resolutions": [
        {
          "width": 768,
          "height": 1152
        },
        {
          "width": 832,
          "height": 1216
        },
        {
          "width": 1152,
          "height": 768
        },
        {
          "width": 1216,
          "height": 832
        },
        {
          "width": 1024,
          "height": 1024
        }
      ]
    }
  }
}