{
  "generated_at": "2026-06-26T10:18:42.098715+00:00",
  "source": "Controlled ComfyUI test server",
  "article": "from-prompt-to-puppy",
  "baseline": {
    "seed": 353628450186049,
    "steps": 9,
    "cfg": 1.0,
    "sampler_name": "res_multistep",
    "scheduler": "simple",
    "denoise": 1.0,
    "width": 1920,
    "height": 1088,
    "prompt": "A cute puppy"
  },
  "model_stack": {
    "diffusion_model": "z_image_turbo_bf16.safetensors",
    "text_encoder": "qwen_3_4b.safetensors",
    "text_encoder_type": "lumina2",
    "vae": "ae.safetensors",
    "model_sampling": "ModelSamplingAuraFlow",
    "shift": 3,
    "has_lora": false
  },
  "note": "No LoRA nodes were used. Each comparison grid changes one setting at a time.",
  "grids": [
    {
      "group": "steps",
      "title": "Steps: More Denoising Passes",
      "webp": "steps-sweep.webp",
      "entries": [
        {
          "slug": "steps_3_steps",
          "label": "3 steps",
          "settings": {
            "seed": 353628450186049,
            "steps": 3,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "steps_5_steps",
          "label": "5 steps",
          "settings": {
            "seed": 353628450186049,
            "steps": 5,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "steps_9_steps",
          "label": "9 steps",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "steps_14_steps",
          "label": "14 steps",
          "settings": {
            "seed": 353628450186049,
            "steps": 14,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        }
      ]
    },
    {
      "group": "guidance",
      "title": "Guidance: Prompt Pressure",
      "webp": "guidance-sweep.webp",
      "entries": [
        {
          "slug": "guidance_cfg_0p5",
          "label": "CFG 0.5",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 0.5,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "guidance_cfg_1",
          "label": "CFG 1.0",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "guidance_cfg_2",
          "label": "CFG 2.0",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 2.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "guidance_cfg_4",
          "label": "CFG 4.0",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 4.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        }
      ]
    },
    {
      "group": "scheduler",
      "title": "Scheduler: Noise Schedule",
      "webp": "scheduler-sweep.webp",
      "entries": [
        {
          "slug": "scheduler_simple",
          "label": "simple",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "scheduler_normal",
          "label": "normal",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "normal",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "scheduler_karras",
          "label": "karras",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "karras",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "scheduler_beta57",
          "label": "beta57",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "beta57",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        }
      ]
    },
    {
      "group": "sampler",
      "title": "Sampler: Denoising Method",
      "webp": "sampler-sweep.webp",
      "entries": [
        {
          "slug": "sampler_res_multistep",
          "label": "res_multistep",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "sampler_res_multistep_ancestral",
          "label": "res_multistep_ancestral",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep_ancestral",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "sampler_res_2m",
          "label": "res_2m",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_2m",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "sampler_euler",
          "label": "euler",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "euler",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        }
      ]
    },
    {
      "group": "seed",
      "title": "Seed: Starting Noise",
      "webp": "seed-sweep.webp",
      "entries": [
        {
          "slug": "seed_353628450186049",
          "label": "seed 353628450186049",
          "settings": {
            "seed": 353628450186049,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "seed_123456789",
          "label": "seed 123456789",
          "settings": {
            "seed": 123456789,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "seed_987654321",
          "label": "seed 987654321",
          "settings": {
            "seed": 987654321,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        },
        {
          "slug": "seed_4242424242",
          "label": "seed 4242424242",
          "settings": {
            "seed": 4242424242,
            "steps": 9,
            "cfg": 1.0,
            "sampler_name": "res_multistep",
            "scheduler": "simple",
            "denoise": 1.0,
            "width": 1920,
            "height": 1088,
            "prompt": "A cute puppy"
          }
        }
      ]
    }
  ],
  "guidance_interpretation": {
    "official_reference": "The official Z-Image-Turbo model card recommends guidance_scale 0.0.",
    "comfyui_baseline": "This workflow uses zeroed negative conditioning and KSampler cfg 1.0, which selects the conditional prediction without extra CFG amplification.",
    "sweep_purpose": "CFG 0.5, 2.0, and 4.0 are stress tests, not recommended Z-Image-Turbo presets."
  },
  "trajectory": {
    "generated_at": "2026-07-23T20:46:13+00:00",
    "prompt": "A cute puppy",
    "seed": 353628450186049,
    "total_steps": 9,
    "decoded_after_steps": [1, 3, 5, 7, 9],
    "cfg": 1.0,
    "sampler_name": "res_multistep",
    "scheduler": "simple",
    "width": 1280,
    "height": 720,
    "method": "Each output used KSamplerAdvanced with the same total nine-step schedule, start_at_step 0, and a different end_at_step. Partial outputs retained leftover noise; step 9 forced the final zero-noise result."
  },
  "scheduler_curves": {
    "generated_at": "2026-07-23T20:55:12+00:00",
    "steps": 9,
    "denoise": 1.0,
    "model_sampling": "Z-Image-Turbo with ModelSamplingAuraFlow shift 3",
    "schedulers": ["simple", "normal", "karras", "beta57"],
    "nodes": ["BasicScheduler", "VisualizeSigmasKJ"]
  }
}