falText to videoComing soon

fal-ai/longcat-video/text-to-video/720p

Name: fal-ai/longcat-video/text-to-video/720p
Brand: fal

fal-ai/longcat-video/text-to-video/720p 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.

Price pending

Pricing

Price pending.

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 guide the video generation.
`negative_prompt`	text	Bright tones, overexposed, static, blurred details, subtitles, style, works, paintings, images, static, overall gray, worst quality, low quality, JPEG compression residue, ugly, incomplete, extra fingers, poorly drawn hands, poorly drawn faces, deformed, disfigured, misshapen limbs, fused fingers, still picture, messy background, three legs, many people in the background, walking backwards	The negative prompt to use for the video generation.
`num_frames`	number (whole) 17 to 961	162	The number of frames to generate.
`num_inference_steps`	number (whole) 8 to 50	40	The number of inference steps to use for the video generation.
`num_refine_inference_steps`	number (whole) 8 to 50	40	The number of inference steps to use for refinement.
`guidance_scale`	number 1 to 10	4	The guidance scale to use for the video generation.
`aspect_ratio`	one of 16:9, 9:16, 1:1	16:9	The aspect ratio of the generated video.
`fps`	number (whole) 1 to 60	30	The frame rate of the generated video.
`seed`	number (whole)	—	The seed for the random number generator.
`enable_prompt_expansion`	true or false	false	Whether to enable prompt expansion.
`video_output_type`	one of X264 (.mp4), VP9 (.webm), PRORES4444 (.mov), GIF (.gif)	X264 (.mp4)	The output type of the generated video.
`video_quality`	one of low, medium, high, maximum	high	The quality of the generated video.
`video_write_mode`	one of fast, balanced, small	balanced	The write mode of the generated video.
`acceleration`	one of none, regular	regular	The acceleration level to use for the video generation.

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/longcat-video/text-to-video/720p",
    "input": {
      "prompt": "realistic filming style, a person wearing a dark helmet, a deep-colored jacket, blue jeans, and bright yellow shoes rides a skateboard along a winding mountain…"
    }
  }'