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Google Gemini Omni Flash 1.1 Text to Video

Google Gemini Omni Flash 1.1 text-to-video via Fal.AI. Generates 3-10 second video with synchronized native audio from a text prompt, grounded in Gemini's real-world knowledge and physics understanding, with cinematic camera control in natural language โ€” 16:9 or 9:16 at 360p to 4K.

1860 credits
per 8s 720p video โ€” billed per second (360p 70/s, 720p 233/s, 1080p 349/s, 4k 698/s)
Synchronized native audio (dialogue, music, ambience) from the prompt
Physics-aware motion grounded in Gemini's world knowledge
Cinematic camera control in natural language
Four resolution tiers from 360p to 4K, billed per second

Run it right now

Test this model instantly in the Console Playground โ€” no code required

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Use with AI Assistant

Copy usage instructions for Claude, ChatGPT, or other AI

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/gemini-omni-flash/v1.1/text-to-video",
  "input": {
    "prompt": "A cinematic wide shot of a lighthouse on a rocky cliff at dusk, waves crashing below, the beam sweeping across the dark sea.",
    "duration": 8,
    "aspect_ratio": "16:9",
    "resolution": "720p"
  }
}'

Parameters

ParameterTypeRequiredDefaultDescription
promptstringYes-The text prompt describing the video. Describe scene, camera movement, lighting, mood and audio.
durationintegerNo8The duration of the generated video in seconds (3-10), billed per second.
aspect_ratiostringNo16:9The aspect ratio of the generated video.
16:99:16
resolutionstringNo720pThe resolution of the generated video. Higher resolutions cost more per second.
360p720p1080p4k

Common Parameters

Common parameters used when calling POST /v1/predictions.

ParameterTypeRequiredDefaultDescription
modelstringYes-Model identifier
inputobjectYes-Object containing the model-specific parameters from the table above
output_folderstringNo-Folder path for output files (max 256 chars, '..' not allowed)
webhook_urlstringNo-Webhook URL to call on completion
is_publicbooleanNofalseIf true, output files are also available via permanent public URLs

Examples

Lighthouse at dusk

A cinematic wide shot at the default 720p and 8 seconds.

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/gemini-omni-flash/v1.1/text-to-video",
  "input": {
    "prompt": "A cinematic wide shot of a lighthouse on a rocky cliff at dusk, waves crashing below, the beam sweeping across the dark sea.",
    "duration": 8,
    "aspect_ratio": "16:9",
    "resolution": "720p"
  }
}'

Vertical street-food clip

A 5-second 9:16 clip with ambient sound at 1080p.

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/gemini-omni-flash/v1.1/text-to-video",
  "input": {
    "prompt": "Close-up of sizzling skewers on a night-market grill, smoke rising, vendors chatting in the background, handheld camera.",
    "duration": 5,
    "aspect_ratio": "9:16",
    "resolution": "1080p"
  }
}'

Tips & Best Practices

1Describe audio (dialogue, music, ambience) directly in the prompt โ€” it is generated with the video.
2Draft at 360p (70/s), then re-render the keeper at 720p, 1080p or 4k.
3Billing is duration x per-second rate, so shorter clips cost proportionally less.
4The same model is also available as google/gemini-omni-1.1 with editing and reference modes.

Use Cases

Short ads and social clips with sound
Cinematic establishing shots and b-roll
Fast 360p concept previews before a high-resolution render
Explainer scenes that need plausible real-world physics