{
  "timestamp": "2026-07-23 05:42:00",
  "raw_prompt": "3D Habit Tracker UI Mascot Header",
  "compiled_prompt": "Use case: app-ui-asset\nPrimary request: 3D Habit Tracker UI Mascot Header\nSubject: A cute 3D bear mascot holding a progress star inside a glossy glassmorphism habit tracker card for an iOS app.\nStyle/medium: Glossy 3D claymation and smooth glassmorphism style, vibrant cheerful colors, soft plastic highlights.\nComposition/framing: Centered single character hero element, front-facing, clean framing.\nLighting/mood: Studio lighting with warm key light, gentle ambient occlusion, bright highlights.\nColor palette: Honey yellow, warm brown, sage green, cream white.\nMaterials/textures: Clay, acrylic glass, soft rubber\nConstraints: Flat #FF00FF chroma-key background, sharp edges, well-isolated asset.\nAvoid: text, letters, words, watermarks, guides.",
  "name_prefix": "habit_mascot_compare",
  "results": {
    "gpt_image_2": {
      "model": "GPT-Image-2 (cx/gpt-5.4)",
      "status": "success",
      "elapsed_seconds": 48.15,
      "file_path": "docs/design/compare_gpt_vs_gemini/habit_mascot_compare_gpt_image_2.png",
      "file_size_kb": 1818.6,
      "transparent_path": "docs/design/compare_gpt_vs_gemini/habit_mascot_compare_gpt_image_2_transparent.png"
    },
    "gemini_imagen4": {
      "model": "Gemini (imagen-4.0-generate-001)",
      "status": "success",
      "elapsed_seconds": 11.43,
      "file_path": "docs/design/compare_gpt_vs_gemini/habit_mascot_compare_gemini_imagen4.png",
      "file_size_kb": 918.7,
      "transparent_path": "docs/design/compare_gpt_vs_gemini/habit_mascot_compare_gemini_imagen4_transparent.png"
    }
  }
}