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Chrono Edit Lora Gallery · Upscaler

Integrate

Model id chrono-edit-lora-gallery/upscaler
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/chrono-edit-lora-gallery/upscaler?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "image": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

This request: $0.03 30 API credits Run it on this page

Get API key
NVIDIA Upscale #upscale#details

Image upscaler and cleanup with a 1x to 4x factor, built on the Chrono Edit LoRA setup

NVIDIA · Image

Your first result goes here

Build a request below and run it with your API key. Outputs are copied to our storage, kept forever or 7 days for free.

Build a request

Controls are generated from the model schema. The code and the price update as you change them.

•required image_url
Drop a file, or

Source image for upscaling.

Advanced output_format · upscale_factor · guidance_scale · num_inference_steps · lora_scale · seed · enable_safety_checker · loras
output_format default jpeg

File format for the resulting image.

default 2

Desired resolution multiplier for the output.

default 1

Guidance scale applied during inference.

default 30

Inference iteration count used during upscaling.

default 1

Scaling multiplier applied to the LoRA adapter.

Seed used during inference.

default []

Optional set of extra LoRAs to merge, limited to 3.

POST /run/chrono-edit-lora-gallery/upscaler?wait=20 quote → $0.03
# Run the model; wait up to 20 s for the finished result in the same call
curl -X POST "https://api.doitong.com/v1/run/chrono-edit-lora-gallery/upscaler?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "image": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
  }'

# Still "queued" or "running"? Poll with the id from the response:
curl "https://api.doitong.com/v1/requests/REQUEST_ID?wait=20" \
  -H "Authorization: Bearer $DOITONG_API_KEY"

Run this request

Your key stays in this browser: it is sent only to the Doitong API and saved (localStorage) only if you tick Remember. Get an API key

About Chrono Edit Lora Gallery · Upscaler

Upscales and cleans up an image without needing a prompt. `upscale_factor` ranges from 1 to 4 and defaults to 2. `num_inference_steps` goes from 2 to 50 and defaults to 30, and `lora_scale` ranges 0 to 2. Output can be jpeg, png or webp, and up to 3 extra LoRAs can be merged.

Parameters

Send either the canonical name or the native name, not both. Canonical names

NameType DefaultAllowed Description
image_urlrequired image
Typeurl · image
Source image for upscaling.
upscale_factoroptional
Typenumber
Default2
1 – 4
Desired resolution multiplier for the output.
guidance_scaleoptional
Typenumber
Default1
0 – 10
Guidance scale applied during inference.
enable_safety_checkeroptional
Typeboolean
Defaulttrue
Safety-checking switch whose off setting is honored only for authorized accounts. All requests without that authorization undergo safety checks.
num_inference_stepsoptional
Typeinteger
Default30
2 – 50
Inference iteration count used during upscaling.
lora_scaleoptional
Typenumber
Default1
0 – 2
Scaling multiplier applied to the LoRA adapter.
seedoptional
Typeinteger | null
Seed used during inference.
output_formatoptional
Typeenum
Defaultjpeg
jpegpngwebp
File format for the resulting image.
lorasoptional
Typeobject[]
Default[]
Optional set of extra LoRAs to merge, limited to 3.
loras[].pathrequired
Typestring
Location of the LoRA weights in Safetensors format, specified as a URL or path.
loras[].scaleoptional
Typenumber
Default1
0 – 4
Scaling multiplier that sets the LoRA strength.
required Canonical name, also accepted

File parameters take a public https:// URL, a data: URI up to 10 MB, or the file_url of an upload. Files

Output

GET /requests/req_8k2m4q7x1z9c3v5b6n0p2r4t
{
  "id": "req_8k2m4q7x1z9c3v5b6n0p2r4t",
  "object": "request",
  "model": "chrono-edit-lora-gallery/upscaler",
  "status": "succeeded",
  "created_at": "2026-10-20T12:00:00Z",
  "started_at": "2026-10-20T12:00:02Z",
  "completed_at": "2026-10-20T12:00:09Z",
  "queue_position": null,
  "cost": {
    "credits": 30,
    "usd": "0.03",
    "charged": 30,
    "refunded": 0
  },
  "input": {
    "image_url": "https://content.doitong.com/images/showcase/v3/gen_fox_cartoon.jpg"
  },
  "output": {
    "images": [
      {
        "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.jpeg",
        "content_type": "image/jpeg",
        "file_name": "0-output.jpeg",
        "file_size": 1843200,
        "width": 1024,
        "height": 768
      }
    ],
    "prompt": "The user wants to add a surfer to the wave in the illustration while preserving the original ukiyo-e woodblock art style. The surfer should be depicted mid-action, crouched low on a modern-style surfboard, carving through the crest of the wave with one arm extended for balance and the other gripping the board. Their wavy hair and athletic physique should match the dynamic motion. The background must remain unchanged, including the iconic Mount Fuji and the traditional Japanese text, to maintain the artwork's historical aesthetic and composition.",
    "seed": 42
  },
  "outputs": [
    {
      "type": "image",
      "url": "https://content.doitong.com/dev-api/2026/10/20/req_8k2m4q7x1z9c3v5b6n0p2r4t/0-output.jpeg",
      "content_type": "image/jpeg",
      "file_size": 1843200,
      "width": 1024,
      "height": 768,
      "stored": true
    }
  ],
  "error": null,
  "metrics": {
    "inference_seconds": 6.8
  },
  "urls": {
    "self": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t",
    "cancel": "https://api.doitong.com/v1/requests/req_8k2m4q7x1z9c3v5b6n0p2r4t/cancel"
  }
}
Your files, your choiceEvery outputs[].url is a copy on our storage: kept forever (paid per GB-month) or 7 days for free, by your account setting or ?storage=.
Same shape on every modeltype, url, content_type, width, height and duration, for images, video and audio alike. output is the model’s own result object.
Fields of output
images
array of object {url, content_type, file_name, file_size, width, height}Image resulting from the edit.
prompt
stringPrompt supplied to the inference process.
seed
integerSeed used during inference.

More models: Upscale

For AI agents: this page as Markdown is at https://doitong.com/en-US/developers/models/chrono-edit-lora-gallery/upscaler.md. All models and guides: https://doitong.com/developers/llms.txt