Real-ESRGANSlowHigh

Real-ESRGAN Video

Video upscaling with Real-ESRGAN — enhance videos to FHD, 2K, or 4K frame by frame. The go-to open-source video upscaler for old footage and AI-generated clips.

1280 credits

per run (cost varies strongly with video length/resolution)

Upscale to FHD / 2K / 4K

Three Real-ESRGAN model variants (incl. anime)

Frame-by-frame enhancement

Great for AI-generated video cleanup

Run it right now

Test this model instantly in the Console Playground — no code required

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

llms.txtllms.txt ↗

Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "lucataco/real-esrgan-video",
  "input": {
    "video_path": "https://example.com/generated-clip.mp4",
    "model": "RealESRGAN_x4plus",
    "resolution": "4k"
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`video_path`	string	Yes	-	Input video to upscale
`resolution`	string	No	FHD	Target output resolution FHD2k4k
`model`	string	No	RealESRGAN_x4plus	Upscaling model variant (anime variant for animation) RealESRGAN_x4plusRealESRGAN_x4plus_anime_6Brealesr-animevideov3

How to Provide File Input

There are 3 ways to provide files for the video_path parameter:

Recommended

Direct Upload (Multipart)

Attach files directly to POST /v1/predictions/upload. No separate upload step needed.

curl -X POST "https://api.core.today/v1/predictions/upload" \
  -H "X-API-Key: cdt_your_api_key" \
  -F "model=lucataco/real-esrgan-video" \
  -F 'input={"prompt":"your prompt here"}' \
  -F "file:video_path=@your_file.png"

Image URL

Pass a publicly accessible URL directly. You can also use file_url from the Storage API.

{
  "model": "lucataco/real-esrgan-video",
  "input": {
    "prompt": "your prompt here",
    "video_path": "https://example.com/image.jpg"
  }
}

See the File Upload docs for more upload methods including Presigned URLs.

Common Parameters

Common parameters used when calling POST /v1/predictions.

Parameter	Type	Required	Default	Description
`model`	string	Yes	-	Model identifier
`input`	object	Yes	-	Object containing the model-specific parameters from the table above
`output_folder`	string	No	-	Folder path for output files (max 256 chars, '..' not allowed)
`webhook_url`	string	No	-	Webhook URL to call on completion
`is_public`	boolean	No	false	If true, output files are also available via permanent public URLs

Examples

AI Clip to 4K

Upscale a generated video clip to 4K

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "lucataco/real-esrgan-video",
  "input": {
    "video_path": "https://example.com/generated-clip.mp4",
    "model": "RealESRGAN_x4plus",
    "resolution": "4k"
  }
}'