Gemini Omni 1.1 Flash API reference
Check Gemini Omni 1.1 Flash availability, inputs, parameters, file requirements, credit pricing, and request examples for Rivya Public API v1. Model ID: gemini-omni-flash-1-1.
gemini-omni-flash-1-1
text, file
Required for reference modes
Credit rate: 45–180 per video The final cost is rounded up to whole credits.
Video
FIXED
20000 characters
Request fields
Set model at the top level. Put model-specific controls and reference inputs in params, using the format documented for this model.
| Key | Type | Required | Default | Description |
|---|---|---|---|---|
| model | string | Yes | gemini-omni-flash-1-1 | Set model to gemini-omni-flash-1-1. |
| prompt | string | Yes | - | Maximum 20000 characters for this model. |
| params | object | No | - | The model-specific params object. Use the documented keys and reference-file format for this model. |
| client_request_id | string | No | - | Optional ID for tracing this request in your system. It does not replace Idempotency-Key. |
Model parameters
| Key | Type | Required | Default | Range | Options | Description |
|---|---|---|---|---|---|---|
| reference_mode | select | No | reference | - | reference, frames | Reference mode |
| resolution | select | No | 720p | - | 360p, 720p, 1080p, 4k | Resolution |
| duration | select | No | 4 | - | 4, 6, 8, 10 | Duration |
| aspect_ratio | select | No | 16:9 | - | 16:9, 9:16 | Aspect ratio |
| seed | number | No | - | min 0 / max 2147483647 | - | Keep the prompt, reference inputs, and settings unchanged when reusing a seed. Allowed seed values and defaults depend on the model, and identical results are not guaranteed. |
| video_start | number | No | - | min 0 / max 30 | - | Video start (seconds) |
| video_ends | number | No | - | min 0 / max 30 | - | Video end (seconds) |
Upload policy
Upload reference files through Files API first. Keep the original URLs, verified metadata, and tokens. Follow this model's request example: some models use params.referenceMediaItems, while others use different fields.
Reference assets: Use up to seven images at 20 MB each, or one video up to 95 MB and 30 seconds with up to five images. Select a video segment no longer than 10 seconds. Audio and character asset IDs are not supported. Frames mode accepts one start image or a start/end pair, without other references.
7
image, video
When duration verification is required, use duration_token from /api/v1/files as durationToken in the request. Keep any additional signed metadata this model requires.
| kind | Max size | MIME types |
|---|---|---|
| image | 20 MB | image/jpeg, image/png, image/webp |
| video | 95 MB | video/mp4, video/quicktime |
Minimal request
{
"model": "gemini-omni-flash-1-1",
"prompt": "A camera slowly circles a product bottle on a studio table.",
"params": {
"reference_mode": "reference",
"resolution": "720p",
"duration": "4",
"aspect_ratio": "16:9",
"seed": 0,
"video_start": 0,
"video_ends": 0
}
}Reference-file request
{
"model": "gemini-omni-flash-1-1",
"prompt": "A camera slowly circles a product bottle on a studio table.",
"params": {
"reference_mode": "reference",
"resolution": "720p",
"duration": "4",
"aspect_ratio": "16:9",
"seed": 0,
"video_start": 0,
"video_ends": 8,
"referenceMediaItems": [
{
"url": "https://cdn.example.com/reference-video.mp4",
"kind": "video",
"name": "reference-video.mp4",
"mimeType": "video/mp4",
"durationSeconds": 8,
"durationToken": "video_duration_token_from_files_api",
"width": 1280,
"height": 720,
"sizeBytes": 8388608,
"framesPerSecond": 30,
"videoBitrateMbps": 8,
"videoMetadataToken": "video_metadata_token_from_original_files_api_upload_response"
}
]
}
}Example response
An accepted generation request returns a task ID. Poll the status endpoint until the task succeeds or fails. A status request failure does not mean generation failed.
{
"id": "task_gemini_omni_flash_1_1_example",
"status": "queued",
"model": "gemini-omni-flash-1-1",
"reserved_credits": 45,
"final_credits": 0,
"settlement_status": "RESERVED",
"created_at": "2026-05-11T00:00:00.000Z",
"updated_at": "2026-05-11T00:00:00.000Z",
"result": null,
"error": null
}Common errors
validation_failed, insufficient_credits, idempotency_conflict, rate_limited, not_found
Some modes require Files API reference uploads.
