falVideo to videoComing soon

blackforestlabs/flux-video-upscale

Name: blackforestlabs/flux-video-upscale
Brand: fal

blackforestlabs/flux-video-upscale is a video to video tool from fal that runs in the background and returns video. Coming soon: listed with its price, not yet open to runs.

This tool is listed but not yet available to run.

Priced by usage

Pricing

$0.0585 per second. Measured from the input file. The final charge comes from usage.

Limits

Runs: In the background
Returns: video
Longest queue wait: 3600s
Run deadline: 1800s
Largest inline input: 1024 KB
Largest input file: 500 MB
Largest output: 4768 MB
Outputs per run: 16

Input

Field	Kind	Default	Description
`video_url` required	URL or file	—	URL of the MP4 video to upscale. The video must be at most 20 seconds and 50 MB.
`upscale_factor`	number 1.5 to 3	2	Output scaling factor. The source aspect ratio is preserved.
`creativity`	one of 0, 1	1	Use 0 for a source-faithful upscale or 1 for creative detail enhancement.
`prompt`	text	—	Optional description used to guide creative detail enhancement.
`safety_tolerance`	number (whole) 0 to 4	2	Moderation strictness. Lower values are stricter.

Same request in code

curl https://api.spiral.ai/v1/runs \
  -H "Authorization: Bearer $SPIRAL_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{
    "provider": "fal",
    "model": "blackforestlabs/flux-video-upscale",
    "input": {
      "video_url": "https://v3b.fal.media/files/b/0a93a27d/-iFpecUCsSdwXVMevsZa3_output_5s_448x256.mp4"
    }
  }'