falText to videoComing soon

fal-ai/ltx-video

Name: fal-ai/ltx-video
Brand: fal

fal-ai/ltx-video is a text 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

$0.026 per video. The final charge comes from usage.

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	—	The prompt to generate the video from.
`negative_prompt`	text	low quality, worst quality, deformed, distorted, disfigured, motion smear, motion artifacts, fused fingers, bad anatomy, weird hand, ugly	The negative prompt to generate the video from.
`seed`	number (whole)	—	The seed to use for random number generation.
`num_inference_steps`	number (whole) 1 to 50	30	The number of inference steps to take.
`guidance_scale`	number … to 10	3	The guidance scale to use.

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": "fal-ai/ltx-video",
    "input": {
      "prompt": "A man stands waist-deep in a crystal-clear mountain pool, his back turned to a massive, thundering waterfall that cascades down jagged cliffs behind him. He…"
    }
  }'