Gemini Omni Flash API Usage Guide
Overview
Gemini Omni Flash generates 720p video from a text prompt, optionally guided by reference images and/or an input video. It produces 24 FPS video at durations of 3-10 seconds (1-second increments) in 16:9 or 9:16. All generated videos are marked with invisible SynthID watermarking and C2PA content credentials.Authentication
Include your API key in the Authorization header:Submit a request
Endpoint
Example
Request parameters
Parameter names match our Veo video models, so a single integration works across both.Check status
outcome.media_urls[0].url is the generated video (720p mp4), with thumbnail_image_url alongside.
Pricing
- Video output (720p): $0.10 per second of generated video — same rate with or without audio, and independent of aspect ratio.
- Input references (text/image/video) are billed at $1.50 per 1M tokens (Gemini tokenization).
Capabilities & limits (public preview)
- Duration: 3-10s (1s increments) or
auto; Resolution: 720p; Aspect ratio:auto, 16:9 or 9:16 - With a
videoinput the output follows the source clip — setdurationSecondstoauto(or omit it); an explicit duration that doesn’t match the source is rejected by the model - Up to 5 reference images; input video up to 10s
- Not yet supported: audio references, last-frame guidance, scene extension