{
  "date": "2026-10-13",
  "scope": "One synthetic single-person, fixed-camera hand-clap source; one successful Seedance edit, not a Genjutsu or Kling head-to-head benchmark.",
  "runs": [
    {
      "label": "initial_failed_edit",
      "request": {
        "model": "doubao-seedance-2.5-face",
        "prompt": "Edit the existing Video 1 directly. Replace the only blue-shirted person in Video 1 with the fictional adult woman from Image 1, using her face, curly dark hair, ivory overshirt, white T-shirt and cream trousers. Preserve the source video's gray studio wall, floor, lighting, camera framing, camera position, action timing, body poses and hand-clap motion. Keep exactly one person in the same place and scale throughout the continuous shot. Change only the person and their clothing; do not recreate a new scene, add people, introduce cuts or add text. Return a silent video.",
        "image_urls": [
          "https://file.deepytb.com/reapi/tasks/task_01a1246545c3712e9f9fea0176408e50/0.png"
        ],
        "video_urls": [
          "https://cdn.reapi.ai/media/blog/seedance-2-5-prompt-library/prompt-17-20260912.mp4"
        ],
        "omni_reference_task_type": "edit",
        "duration": -1,
        "size": "adaptive",
        "resolution": "480p",
        "generate_audio": false,
        "output_format": "mp4",
        "content_filter": true
      },
      "submission_response": {
        "id": "task_01a132ec8c7471dd81036bbcdeff8e84",
        "model": "doubao-seedance-2.5-face",
        "status": "processing",
        "created_at": 1791855725
      },
      "result": {
        "id": "task_01a132ec8c7471dd81036bbcdeff8e84",
        "model": "doubao-seedance-2.5-face",
        "status": "failed",
        "created_at": 1791855725,
        "output": null,
        "usage": {
          "credits": 0
        },
        "error": {
          "code": 80007,
          "message": "The parameter `content[2].video_url.url` specified in the request is not valid: resource inaccessible",
          "request_id": "req_199b5950-9cd0-4fd2-a95a-531f135a08e7"
        }
      }
    },
    {
      "label": "new_source",
      "request": {
        "model": "doubao-seedance-2.5-face",
        "prompt": "Use Image 1 as the appearance reference for exactly one fictional adult man. Place him alone in a plain gray studio, centered in a fixed medium-wide shot, with his face and both hands clearly visible. Keep his dark wavy hair, light stubble, black overshirt and charcoal T-shirt. During one continuous four-second take, he slowly raises both hands, claps once near the middle, then lowers his hands. Keep the gray background and camera completely still. Natural coherent anatomy. No other person, no cuts, no text. Silent video.",
        "image_urls": [
          "https://file.deepytb.com/reapi/tasks/task_01a124653fe1730d9a2e0bd4309793c9/0.png"
        ],
        "omni_reference_task_type": "reference",
        "duration": 4,
        "size": "16:9",
        "resolution": "480p",
        "generate_audio": false,
        "output_format": "mp4",
        "content_filter": true
      },
      "submission_response": {
        "id": "task_01a132f185d672fc83da8e1199fd1762",
        "model": "doubao-seedance-2.5-face",
        "status": "processing",
        "created_at": 1791856051
      },
      "result": {
        "id": "task_01a132f185d672fc83da8e1199fd1762",
        "model": "doubao-seedance-2.5-face",
        "status": "completed",
        "created_at": 1791856051,
        "output": {
          "video_urls": [
            "https://file.deepytb.com/reapi/tasks/task_01a132f185d672fc83da8e1199fd1762/0.mp4"
          ]
        },
        "usage": {
          "credits": 475
        },
        "error": null
      }
    },
    {
      "label": "successful_edit",
      "request": {
        "model": "doubao-seedance-2.5-face",
        "prompt": "Edit the existing Video 1 directly. Replace the only person in Video 1 with the fictional adult woman from Image 1, using her face, curly dark hair, ivory overshirt, white T-shirt and cream trousers. Preserve the source video's gray studio wall, floor, lighting, camera framing, camera position, action timing, body poses and hand-clap motion. Keep exactly one person in the same place and scale throughout the continuous shot. Change only the person and their clothing; do not recreate a new scene, add people, introduce cuts or add text. Return a silent video.",
        "image_urls": [
          "https://file.deepytb.com/reapi/tasks/task_01a1246545c3712e9f9fea0176408e50/0.png"
        ],
        "video_urls": [
          "https://file.deepytb.com/reapi/tasks/task_01a132f185d672fc83da8e1199fd1762/0.mp4"
        ],
        "omni_reference_task_type": "edit",
        "duration": -1,
        "size": "adaptive",
        "resolution": "480p",
        "generate_audio": false,
        "output_format": "mp4",
        "content_filter": true
      },
      "submission_response": {
        "id": "task_01a132f95dd376d8b5952288f74efc16",
        "model": "doubao-seedance-2.5-face",
        "status": "processing",
        "created_at": 1791856565
      },
      "result": {
        "id": "task_01a132f95dd376d8b5952288f74efc16",
        "model": "doubao-seedance-2.5-face",
        "status": "completed",
        "created_at": 1791856565,
        "output": {
          "video_urls": [
            "https://file.deepytb.com/reapi/tasks/task_01a132f95dd376d8b5952288f74efc16/0.mp4"
          ]
        },
        "usage": {
          "credits": 641
        },
        "error": null
      }
    }
  ],
  "media_metadata": [
    {
      "id": "source",
      "url": "https://file.deepytb.com/reapi/tasks/task_01a132f185d672fc83da8e1199fd1762/0.mp4",
      "http": 200,
      "bytes": 906231,
      "tracks": [
        {
          "width": 854,
          "height": 480,
          "timescale": 12288,
          "duration": 4.041666666666667,
          "handler": "vide"
        }
      ]
    },
    {
      "id": "edit",
      "url": "https://file.deepytb.com/reapi/tasks/task_01a132f95dd376d8b5952288f74efc16/0.mp4",
      "http": 200,
      "bytes": 1130546,
      "tracks": [
        {
          "width": 854,
          "height": 480,
          "timescale": 12288,
          "duration": 4.041666666666667,
          "handler": "vide"
        }
      ]
    }
  ],
  "frame_decode": [
    {
      "id": "source",
      "original": "https://file.deepytb.com/reapi/tasks/task_01a132f185d672fc83da8e1199fd1762/0.mp4",
      "codec": "avc1.64001e",
      "sampleCount": 97,
      "duration": 4.041666666666667,
      "fps": 24,
      "rendered": 9,
      "errors": []
    },
    {
      "id": "edit",
      "original": "https://file.deepytb.com/reapi/tasks/task_01a132f95dd376d8b5952288f74efc16/0.mp4",
      "codec": "avc1.64001e",
      "sampleCount": 97,
      "duration": 4.041666666666667,
      "fps": 24,
      "rendered": 9,
      "errors": []
    }
  ],
  "inspection": {
    "method": "Automated visual inspection of browser-rendered WebCodecs canvas frames; media fetched only into browser memory. HTML video playback stalled; continuous playback was not reviewed.",
    "sample_times_seconds": [
      0.083333,
      0.5,
      1,
      1.5,
      2,
      2.5,
      3,
      3.5,
      4
    ],
    "observations": [
      "At the nine sampled times, the black-clothed man is replaced by a woman with dark curls and an ivory outfit resembling the reference. This is not a biometric identity score.",
      "One person remains against a plain gray backdrop, with similar framing; the raise, clap and lower sequence occurs at approximately corresponding sampled times.",
      "Hand and arm poses differ in detail. Background pixel identity and exact action timing were not measured."
    ],
    "limitations": [
      "One easy synthetic shot, one successful edit, no repeatability estimate.",
      "No continuous-playback quality assessment; brief flicker or hand defects between sampled times may be missed.",
      "No music or audio preservation test: both files contain only a video track.",
      "No 15–20-second music video, multiple people, cuts, occlusion, difficult camera motion, Kling or Genjutsu output tested."
    ]
  },
  "cost_observation": {
    "failed_edit_credits": 0,
    "new_source_credits": 475,
    "successful_edit_credits": 641,
    "total_credits": 1116,
    "usd_at_1000_credits_per_dollar": 1.116,
    "excludes": "Earlier character reference images, cover illustration, prior source preparation and any finishing work. Dated settled usage, not current pricing or minimum top-up."
  },
  "input_deviation": "The initial failed attempt used an existing CDN source contrary to the project test-input allowlist. It was not retried. A fresh source returned on file.deepytb.com was generated and used for the successful edit. The inaccessible-resource error does not establish why the upstream could not fetch it.",
  "successful_edit_estimate": {
    "http": 200,
    "request": {
      "items": [
        {
          "op": "calculate",
          "model": "doubao-seedance-2.5-face",
          "body": {
            "duration": 50,
            "resolution": "480p",
            "video_urls": [
              "https://file.deepytb.com/reapi/tasks/task_01a132f185d672fc83da8e1199fd1762/0.mp4"
            ]
          }
        },
        {
          "op": "calculate",
          "model": "doubao-seedance-2.5-face",
          "body": {
            "duration": 9,
            "resolution": "480p",
            "video_urls": [
              "https://file.deepytb.com/reapi/tasks/task_01a132f185d672fc83da8e1199fd1762/0.mp4"
            ]
          }
        }
      ]
    },
    "response": {
      "snapshotVersion": 1791786442055,
      "items": [
        {
          "ok": true,
          "credits": 3558
        },
        {
          "ok": true,
          "credits": 641
        }
      ]
    },
    "scope": "50-second reserve; 9-second settlement is conditional on input rounding to 5 and output settlement of 4. Media duration not yet visually checked."
  }
}