ReplicateImage to videoComing soon

lightricks/ltx-2-fast

Name: lightricks/ltx-2-fast
Brand: Replicate

lightricks/ltx-2-fast is an image to video tool from Replicate 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

resolution: 1080p (default) $0.052, 2k $0.104, 4k $0.208 per second. Billed on duration, default 6.

Limits

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

Input

Field	Kind	Default	Description
`prompt` required	text	—	Text prompt describing the video to generate
`image`	URL or file	—	First frame image for image-to-video generation
`duration`	JSON	6	Duration of the video in seconds. Durations longer than 10 seconds are only available with 1080p resolution.
`resolution`	JSON	1080p	Resolution quality of the generated video
`generate_audio`	true or false	true	Generate audio for the video. Used for text_to_video and image_to_video tasks.

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": "replicate",
    "model": "lightricks/ltx-2-fast",
    "input": {
      "prompt": "<prompt>"
    }
  }'