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Qwen Image 2512 LoRA: Photorealistic Text-to-Image Generation with Fine Detail on model playground and API | RunComfy

qwen/qwen-image/qwen-image-2512/lora

Generate photorealistic images from text with multilingual text rendering, fine detail, and stable LoRA optimization for product photography, marketing visuals, and creative design workflows.

Table of contents

1. Get started2. Authentication3. API referenceSubmit a requestMonitor request statusRetrieve request resultsCancel a request4. File inputsHosted file (URL)5. SchemaInput schemaOutput schema

1. Get started

Use RunComfy's API to run qwen/qwen-image/qwen-image-2512/lora. For accepted inputs and outputs, see the model's schema.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/qwen/qwen-image/qwen-image-2512/lora \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "A red-haired woman with voluminous, wavy hair stands in front of a densely packed wall of vibrant purple rhododendron flowers with rich green leaves. She is wearing round, pink-tinted reflective sunglasses that show a soft reflection of the floral environment. Her expression is confident and serene, her lips slightly parted. She wears a black spaghetti strap tank top and high-waisted, belted gray skirt. She holds up a blossoming flower with one hand, her skin fair with natural freckles. The lighting is natural and diffused, suggesting an overcast or shaded forest garden setting, resulting in soft shadows and rich, saturated colors. The image has a shallow depth of field, keeping the woman sharply in focus with slightly blurred background flowers. Captured from a medium-close angle at eye level, the mood is whimsical and modern, with a hint of vintage flair due to the color grading and styling. Style is cinematic, photorealistic, with high detail."
  }'

2. Authentication

Set the YOUR_API_TOKEN environment variable with your API key (manage keys in your Profile) and include it on every request as a Bearer token via the Authorization header: Authorization: Bearer $YOUR_API_TOKEN.

3. API reference

Submit a request

Submit an asynchronous generation job and immediately receive a request_id plus URLs to check status, fetch results, and cancel.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/models/qwen/qwen-image/qwen-image-2512/lora \
  --header "Content-Type: application/json" \
  --header "Authorization: Bearer <token>" \
  --data '{
    "prompt": "A red-haired woman with voluminous, wavy hair stands in front of a densely packed wall of vibrant purple rhododendron flowers with rich green leaves. She is wearing round, pink-tinted reflective sunglasses that show a soft reflection of the floral environment. Her expression is confident and serene, her lips slightly parted. She wears a black spaghetti strap tank top and high-waisted, belted gray skirt. She holds up a blossoming flower with one hand, her skin fair with natural freckles. The lighting is natural and diffused, suggesting an overcast or shaded forest garden setting, resulting in soft shadows and rich, saturated colors. The image has a shallow depth of field, keeping the woman sharply in focus with slightly blurred background flowers. Captured from a medium-close angle at eye level, the mood is whimsical and modern, with a hint of vintage flair due to the color grading and styling. Style is cinematic, photorealistic, with high detail."
  }'

Monitor request status

Fetch the current state for a request_id ("in_queue", "in_progress", "completed", or "cancelled").

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/status \
  --header "Authorization: Bearer <token>"

Retrieve request results

Retrieve the final outputs and metadata for the given request_id; if the job is not complete, the response returns the current state so you can continue polling.

curl --request GET \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/result \
  --header "Authorization: Bearer <token>"

Cancel a request

Cancel a queued job by request_id, in-progress jobs cannot be cancelled.

curl --request POST \
  --url https://model-api.runcomfy.net/v1/requests/{request_id}/cancel \
  --header "Authorization: Bearer <token>"

4. File inputs

Hosted file (URL)

Provide a publicly reachable HTTPS URL. Ensure the host allows server‑side fetches (no login/cookies required) and isn't rate‑limited or blocking bots. Recommended limits: images ≤ 50 MB (~4K), videos ≤ 100 MB (~2–5 min @ 720p). Prefer stable or pre‑signed URLs for private assets.

5. Schema

Input schema

{
  "type": "object",
  "title": "Input",
  "required": [
    "prompt"
  ],
  "properties": {
    "prompt": {
      "title": "Prompt",
      "description": "",
      "type": "string",
      "default": "A red-haired woman with voluminous, wavy hair stands in front of a densely packed wall of vibrant purple rhododendron flowers with rich green leaves. She is wearing round, pink-tinted reflective sunglasses that show a soft reflection of the floral environment. Her expression is confident and serene, her lips slightly parted. She wears a black spaghetti strap tank top and high-waisted, belted gray skirt. She holds up a blossoming flower with one hand, her skin fair with natural freckles. The lighting is natural and diffused, suggesting an overcast or shaded forest garden setting, resulting in soft shadows and rich, saturated colors. The image has a shallow depth of field, keeping the woman sharply in focus with slightly blurred background flowers. Captured from a medium-close angle at eye level, the mood is whimsical and modern, with a hint of vintage flair due to the color grading and styling. Style is cinematic, photorealistic, with high detail."
    },
    "negative_prompt": {
      "title": "Negative Prompt",
      "description": "",
      "type": "string",
      "default": ""
    },
    "image_size": {
      "title": "Aspect Ratio (W:H)",
      "description": "The size of the generated image. Possible enum values represent different aspect ratios.",
      "type": "string",
      "enum": [
        "square_hd",
        "square",
        "portrait_4_3",
        "portrait_16_9",
        "landscape_4_3",
        "landscape_16_9"
      ],
      "default": "landscape_4_3"
    },
    "num_inference_steps": {
      "title": "Number of Inference Steps",
      "description": "The number of inference steps to perform.",
      "type": "integer",
      "minimum": 1,
      "maximum": 50,
      "default": 28
    },
    "guidance_scale": {
      "title": "Guidance Scale",
      "description": "The guidance scale to use for the image generation.",
      "type": "float",
      "minimum": 0,
      "maximum": 20,
      "default": 4
    },
    "seed": {
      "title": "Seed",
      "description": "",
      "type": "integer",
      "default": 0
    },
    "output_format": {
      "title": "Output Format",
      "description": "The format of the generated image.",
      "type": "string",
      "enum": [
        "jpeg",
        "png",
        "webp"
      ],
      "default": "png"
    },
    "loras": {
      "title": "LoRAs",
      "description": "List of LoRA weights to apply (maximum 3). Each LoRA can be a URL, HuggingFace repo ID, or local path.",
      "type": "array",
      "default": [],
      "items": {
        "path": {
          "title": "LoRA Path",
          "description": "URL, HuggingFace repo ID (owner/repo), or local path to LoRA weights.",
          "type": "string",
          "format": "str",
          "default": ""
        },
        "scale": {
          "title": "LoRA Scale",
          "description": "Scale factor for LoRA application (0.0 to 4.0). ",
          "type": "float",
          "format": "float_slider_with_range",
          "minimum": 0,
          "maximum": 4,
          "default": 1
        }
      },
      "maxItems": 3,
      "minItems": 0
    }
  }
}

Output schema

{
  "output": {
    "type": "object",
    "properties": {
      "image": {
        "type": "string",
        "format": "uri",
        "description": "single image URL"
      },
      "video": {
        "type": "string",
        "format": "uri",
        "description": "single video URL"
      },
      "images": {
        "type": "array",
        "description": "multiple image URLs",
        "items": { "type": "string", "format": "uri" }
      },
      "videos": {
        "type": "array",
        "description": "multiple video URLs",
        "items": { "type": "string", "format": "uri" }
      }
    }
  }
}
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