falText to videoComing soon

fal-ai/kling-video/v3/4k/text-to-video

Name: fal-ai/kling-video/v3/4k/text-to-video
Brand: fal

fal-ai/kling-video/v3/4k/text-to-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

duration: 3 $1.638, 4 $2.184, 5 (default) $2.73, 6 $3.276, 7 $3.822, 8 $4.368, 9 $4.914, 10 $5.46, 11 $6.006, 12 $6.552, 13 $7.098, 14 $7.644, 15 $8.19, otherwise $8.19 per run. 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`	text	—	Text prompt for video generation. Either prompt or multi_prompt must be provided, but not both.
`duration`	one of 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15	5	The duration of the generated video in seconds
`multi_prompt`	JSON	—	List of prompts for multi-shot video generation. If provided, overrides the single prompt and divides the video into multiple shots with specified prompts and durations.
`generate_audio`	true or false	true	Whether to generate native audio for the video. Supports Chinese and English voice output. Other languages are automatically translated to English. For English speech, use lowercase letters; for acronyms or proper nouns, use uppercase.
`shot_type`	one of customize, intelligent	customize	The type of multi-shot video generation. 'intelligent' lets the model automatically determine shot structure.
`aspect_ratio`	one of 16:9, 9:16, 1:1	16:9	The aspect ratio of the generated video frame
`negative_prompt`	text	blur, distort, and low quality
`cfg_scale`	number 0 to 1	0.5	The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt.

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/kling-video/v3/4k/text-to-video",
    "input": {}
  }'