GoogleSlowUltra

Google Veo 3.1

Google's state-of-the-art video generation model with built-in audio generation, producing cinematic-quality videos with synchronized sound.

4800 credits

per video

Built-in audio generation

Cinematic-quality output

Image-to-video with start frame

Multiple aspect ratios (16:9, 9:16, 1:1)

5 or 8 second video duration

Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

llms.txt

Quick Start

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "google/veo-3.1",
  "input": {
    "prompt": "A lone astronaut walks across a vast Martian desert at sunset, wind blowing dust, cinematic wide shot, dramatic orchestral score",
    "duration": "8",
    "aspect_ratio": "16:9",
    "generate_audio": true
  }
}'

Parameters

Parameter	Type	Required	Default	Description
`prompt`	string	Yes	-	Text description of the video to generate
`image`	string	No	-	Start frame image URL
`duration`	integer	No	8	Video duration in seconds (5 or 8) 58
`aspect_ratio`	string	No	16:9	Output aspect ratio 16:99:161:1
`generate_audio`	boolean	No	true	Enable built-in audio generation

Common Parameters

Common parameters used when calling POST /v1/predictions.

Parameter	Type	Required	Default	Description
`model`	string	Yes	-	Model identifier
`input`	object	Yes	-	Object containing the model-specific parameters from the table above
`output_folder`	string	No	-	Folder path for output files (max 256 chars, '..' not allowed)
`webhook_url`	string	No	-	Webhook URL to call on completion
`is_public`	boolean	No	false	If true, output files are also available via permanent public URLs

Examples

Cinematic Scene with Audio

Generate a cinematic video with synchronized sound

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "google/veo-3.1",
  "input": {
    "prompt": "A lone astronaut walks across a vast Martian desert at sunset, wind blowing dust, cinematic wide shot, dramatic orchestral score",
    "duration": "8",
    "aspect_ratio": "16:9",
    "generate_audio": true
  }
}'

Product Reveal

Dynamic product reveal video

curl -X POST "https://api.core.today/v1/predictions" \
  -H "Content-Type: application/json" \
  -H "X-API-Key: cdt_your_api_key" \
  -d '{
  "model": "google/veo-3.1",
  "input": {
    "prompt": "Luxury perfume bottle emerging from golden mist, slow camera orbit, elegant studio lighting, ambient music",
    "duration": "5",
    "aspect_ratio": "16:9",
    "generate_audio": true
  }
}'